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State of nature
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For the Vaeda album, see State of Nature (album). For the United Kingdom 2013 State of Nature Report, see Royal Society for the Protection of Birds § State of Nature Report.
The state of nature is a concept used in moral and political philosophy, religion, social contract theories and international law[1] to denote the hypothetical conditions of what the lives of people might have been like before societies came into existence. Philosophers of the state of nature theory deduce that there must have been a time before organized societies existed, and this presumption thus raises questions such as: "What was life like before civil society?"; "How did government first emerge from such a starting position?," and; "What are the hypothetical reasons for entering a state of society by establishing a nation-state?".
In some versions of social contract theory, there are no rights in the state of nature, only freedoms, and it is the contract that creates rights and obligations. In other versions the opposite occurs: the contract imposes restrictions upon individuals that curtail their natural rights.
Societies existing before or without a political state are currently studied in such fields as paleolithic history, and the anthropological subfields of archaeology, cultural anthropology, social anthropology, and ethnology, which investigate the social and power-related structures of indigenous and uncontacted peoples living in tribal communities.
Contents
1 Noted philosophers
1.1 Mozi (墨子)
1.2 Thomas Hobbes
1.3 John Locke
1.4 Montesquieu
1.5 Jean-Jacques Rousseau
1.6 David Hume
1.7 John Calhoun
1.8 20th century
2 Between nations
3 See also
4 References
Noted philosophers[edit]
Mozi (墨子)[edit]
The early Warring States philosopher Mozi was the first thinker in ancient China to develop an ideal state of nature as a premise to defend the need of a single ruler in a state. According to him, on that state each person have their own moral (yi:義). As a result, people were unable to reach agreements and resources were wasted. Since his philosophy promotes the actions that leads to the benefit (li:利) of the state, such natural organization was rejected:
"In the beginning of human life, when there was yet no law and government, the custom was "everybody according to his moral (yi)." Accordingly each man had his own moral, two men had two different morals and ten men had ten different morals -- the more people the more different notions. And everybody approved of his own moral and disapproved the views of others, and so arose mutual disapproval among men. As a result, father and son and elder and younger brothers became enemies and were estranged from each other, since they were unable to reach any agreement. Everybody worked for the disadvantage of the others with water, fire, and poison. Surplus energy was not spent for mutual aid; surplus goods were allowed to rot without sharing; excellent teachings (Dao) were kept secret and not revealed." Chapter 3 - 1[2]
His proposal was to unify morals according to a single standard (fa:法) that can be used by anyone: calculating benefit of each act. In that way, the ruler of the state and his subjects will have the same morals; cooperation and joint efforts will be the rule. Later his proposal was strongly rejected by confucianism (especially Mencius) because of the preference of benefit over morals.[3]
Thomas Hobbes[edit]
The pure state of nature or "the natural condition of mankind" was deduced by the 17th century English philosopher Thomas Hobbes, in Leviathan and in his earlier work On the Citizen.[4] Hobbes argued that all humans are by nature equal in faculties of body and mind (i.e., no natural inequalities are so great as to give anyone a "claim" to an exclusive "benefit"). From this equality and other causes [example needed]in human nature, everyone is naturally willing to fight one another: so that "during the time men live without a common power to keep them all in awe, they are in that condition which is called warre; and such a warre as is of every man against every man". In this state every person has a natural right or liberty to do anything one thinks necessary for preserving one's own life; and life is "solitary, poor, nasty, brutish, and short" (Leviathan, Chapters XIII–XIV). Hobbes described this natural condition with the Latin phrase bellum omnium contra omnes (meaning war of all against all), in his work De Cive.
Within the state of nature there is neither personal property nor injustice since there is no law, except for certain natural precepts discovered by reason ("laws of nature"): the first of which is "that every man ought to endeavour peace, as far as he has hope of obtaining it" (Leviathan, Ch. XIV); and the second is "that a man be willing, when others are so too, as far forth as for peace and defence of himself he shall think it necessary, to lay down this right to all things; and be contented with so much liberty against other men as he would allow other men against himself" (loc. cit.). From here Hobbes develops the way out of the state of nature into political society and government, by mutual contracts.
According to Hobbes the state of nature exists at all times among independent countries, over whom there is no law except for those same precepts or laws of nature (Leviathan, Chapters XIII, XXX end). His view of the state of nature helped to serve as a basis for theories of international law and relations.[5]
John Locke[edit]
John Locke considers the state of nature in his Second Treatise on Civil Government written around the time of the Exclusion Crisis in England during the 1680s. For Locke, in the state of nature all men are free "to order their actions, and dispose of their possessions and persons, as they think fit, within the bounds of the law of nature." (2nd Tr., §4). "The state of Nature has a law of Nature to govern it", and that law is reason. Locke believes that reason teaches that "no one ought to harm another in his life, liberty, and or property" (2nd Tr., §6) ; and that transgressions of this may be punished. Locke describes the state of nature and civil society to be opposites of each other, and the need for civil society comes in part from the perpetual existence of the state of nature.[6] This view of the state of nature is partly deduced from Christian belief (unlike Hobbes, whose philosophy is not dependent upon any prior theology).
Although it may be natural to assume that Locke was responding to Hobbes, Locke never refers to Hobbes by name, and may instead have been responding to other writers of the day, like Robert Filmer.[7] In fact, Locke's First Treatise is entirely a response to Filmer's Patriarcha, and takes a step by step method to refuting Filmer's theory set out in Patriarcha. The conservative party at the time had rallied behind Filmer's Patriarcha, whereas the Whigs, scared of another prosecution of Anglicans and Protestants, rallied behind the theory set out by Locke in his Two Treatises of Government as it gave a clear theory as to why the people would be justified in overthrowing a monarchy which abuses the trust they had placed in it.[citation needed]
Montesquieu[edit]
Montesquieu makes use of the concept of the state of nature in his The Spirit of the Laws, first printed in 1748. Montesquieu states the thought process behind early human beings before the formation of society. He says that human beings would have the faculty of knowing and would first think to preserve their life in the state. Human beings would also at first feel themselves to be impotent and weak. As a result, humans would not be likely to attack each other in this state. Next, humans would seek nourishment and out of fear, and impulse would eventually unite to create society. Once society was created, a state of war would ensue amongst societies which would have been all created the same way. The purpose of war is the preservation of the society and the self. The formation of law within society is the reflection and application of reason for Montesquieu.[8]
Jean-Jacques Rousseau[edit]
Hobbes' view was challenged in the eighteenth century by Jean-Jacques Rousseau, who claimed that Hobbes was taking socialized people and simply imagining them living outside of the society in which they were raised. He affirmed instead that people were neither good nor bad, but were born as a blank slate, and later society and the environment influence which way we lean. In Rousseau's state of nature, people did not know each other enough to come into serious conflict and they did have normal values. The modern society, and the ownership it entails, is blamed for the disruption of the state of nature which Rousseau sees as true freedom.[9]
David Hume[edit]
David Hume offers in A Treatise of Human Nature (1739) that human beings are naturally social: "'Tis utterly impossible for men to remain any considerable time in that savage condition, which precedes society; but that his very first state and situation may justly be esteem'd social. This, however, hinders not, but that philosophers may, if they please, extend their reasoning to the suppos'd state of nature; provided they allow it to be a mere philosophical fiction, which never had, and never cou'd have any reality."[10]
Hume's ideas about human nature expressed in the Treatise suggest that he would be happy with neither Hobbes' nor his contemporary Rousseau's thought-experiments. He explicitly derides as incredible the hypothetical humanity described in Hobbes' Leviathan.[11] Additionally, he argues in "Of the Origin of Justice and Property" that if mankind were universally benevolent, we would not hold Justice to be a virtue: "’tis only from the selfishness and confin’d generosity of men, along with the scanty provision nature has made for his wants, that justice derives its origin."[12]
John Calhoun[edit]
John C. Calhoun, in his Disquisition on Government, (1850) wrote that a state of nature is merely hypothetical and argues that the concept is self-contradictory and that political states naturally always existed. "It is, indeed, difficult to explain how an opinion so destitute of all sound reason, ever could have been so extensively entertained, ... I refer to the assertion, that all men are equal in the state of nature; meaning, by a state of nature, a state of individuality, supposed to have existed prior to the social and political state; and in which men lived apart and independent of each other... But such a state is purely hypothetical. It never did, nor can exist; as it is inconsistent with the preservation and perpetuation of the race. It is, therefore, a great misnomer to call it the state of nature. Instead of being the natural state of man, it is, of all conceivable states, the most opposed to his nature—most repugnant to his feelings, and most incompatible with his wants. His natural state is, the social and political—the one for which his Creator made him, and the only one in which he can preserve and perfect his race. As, then, there never was such a state as the, so called, state of nature, and never can be, it follows, that men, instead of being born in it, are born in the social and political state; and of course, instead of being born free and equal, are born subject, not only to parental authority, but to the laws and institutions of the country where born, and under whose protection they draw their first breath."[13]
20th century[edit]
John Rawls used what amounted to an artificial state of nature. To develop his theory of justice, Rawls places everyone in the original position. The original position is a hypothetical state of nature used as a thought experiment development to Rawls' theory of justice. People in the original position have no society and are under a veil of ignorance that prevents them from knowing how they may benefit from society. They lack foreknowledge of their intelligence, wealth, or abilities. Rawls reasons that people in the original position would want a society where they had their basic liberties protected and where they had some economic guarantees as well. If society were to be constructed from scratch through a social agreement between individuals, these principles would be the expected basis of such an agreement. Thus, these principles should form the basis of real, modern societies since everyone should consent to them if society were organized from scratch in fair agreements.
Rawls' Harvard colleague Robert Nozick countered the liberal A Theory of Justice with the libertarian Anarchy, State, and Utopia, also grounded in the state of nature tradition.[14] Nozick argued that a minimalist state of property rights and basic law enforcement would develop out of a state of nature without violating anyone's rights or using force. Mutual agreements among individuals rather than social contract would lead to this minimal state.
Between nations[edit]
In Hobbes' view, once a civil government is instituted, the state of nature has disappeared between individuals because of the civil power which exists to enforce contracts and the laws of nature generally. Between nations, however, no such power exists and therefore nations have the same rights to preserve themselves—including making war—as individuals possessed. Such a conclusion led some writers to the idea of an association of nations or worldwide civil society. Among them there were Immanuel Kant with his work on perpetual peace. This aim was taken up by former US President George H W Bush in the drive to create a "New World Order" which he describes as "a world where the rule of law, not the law of the jungle, governs the conduct of nations".
Rawls also examines the state of nature between nations. In his work the Law of Peoples, Rawls applies a modified version of his original position thought experiment to international relationships. Rawls says that peoples, not states, form the basic unit that should be examined. States should be encouraged to follow the principles from Rawls' earlier A Theory of Justice. Democracy seems like it would be the most logical means of accomplishing these goals, but benign non-democracies should be seen as acceptable at the international stage. Rawls develops eight principles for how a people should act on an international stage.
See also[edit]
Law of the jungle
Antisocial personality disorder
References[edit]
Jump up ^ Emer de Vattel, The Law of Nations, Preliminaries. Idea and General Principles. §4.
Jump up ^ Adapted from Mei translation of the. "Mozi". Ctext. Retrieved 18 September 2017.
Jump up ^ Hansen, Chad (2000-08-17). A Daoist Theory of Chinese Thought: A Philosophical Interpretation. Oxford University Press. pp. 158–162. ISBN 9780195350760.
Jump up ^ Hobbes, Thomas, Leviathan. 1651. Edwin Curley (Ed.) 1994. Hackett Publishing.
Jump up ^ Yurdusev, A. Nuri (June 2006). "Thomas Hobbes and international relations: from realism to rationalism" (PDF). Australian Journal of International Affairs. 60 (2): 305. Retrieved 2 February 2016.
Jump up ^ Goldwin, Robert (March 1976). "Locke's State of Nature in Political Society". The Western Political Quarterly. 29 (1): 126. doi:10.2307/447588. JSTOR 447588.
Jump up ^ Skinner, Quentin. Visions of Politics. Cambridge.
Jump up ^ Translated by Thomas Nugent, revised by J. V. Prichard. Based on edition published in 1914 by G. Bell & Sons, Ltd., London. Rendered into HTML and text by Jon Roland of the Constitution Society, where the full text of this document may be found, Book 2
Jump up ^ Jean-Jacques Rousseau, A Discourse on Inequality
Jump up ^ Hume, David (1739). A Treatise of Human Nature. Project Gutenberg. pp. Book III, Part II, Section II. Retrieved 2 February 2016.
Jump up ^ Hume, David (1739). A Treatise of Human Nature. Project Gutenberg. pp. Book II, Part III, Section I. Retrieved 2 February 2016.
Jump up ^ Hume, David (1739). A Treatise of Human Nature. Project Gutenberg. pp. Book III, Part II, Section II. Retrieved 2 February 2016.
Jump up ^ Calhoun, John. "Disquisition on Government". Retrieved 2 February 2016.
Jump up ^ Rothbard, Murray N. (1977). "Robert Nozick and the Immaculate Conception of the State" (PDF). Journal of Libertarian Studies. 1, Num 1.: 45–47.
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Broadwell (microarchitecture)
From Wikipedia, the free encyclopedia
Jump to: navigation, search
Broadwell
CPUID code
0306D4h
Product code
80658 (mainstream desktop/mobile, Xeon E3)
80660 (Xeon E5)
80669 (Xeon E7)
80671 (enthusiast desktop)
80674 (Xeon D)
Cores
2–4 (mainstream)
6–10 (enthusiast)
4–22 (Xeon)
L1 cache
64 KB per core
L2 cache
256 KB per core
L3 cache
2–6 MB (shared)
Created
2014 (Mobile)
2015 (Desktop)
Transistors
14 nm transistors (Tri-Gate)
Architecture
Broadwell x86
Instructions
MMX, AES-NI, CLMUL, FMA3
Extensions
x86-64
SSE, SSE2, SSE3, SSSE3, SSE4, SSE4.1, SSE4.2
AVX, AVX2, TXT, TSX
VT-x, VT-d
Socket(s)
LGA 1150
rPGA 947
BGA 1364
LGA 2011-v3
Predecessor
Haswell (Tock/Architecture)
Haswell Refresh (Optimization)
Successor
Skylake (Architecture)
GPU
HD 5300
HD 5500
HD 5700P
HD 6000
HD 6100
HD 6200
HD 6300P
HD Graphics
Brand name(s)
Core i3
Core i5
Core i7
Core M
Celeron
Pentium
Xeon
Broadwell is Intel's codename for the 14 nanometer die shrink of its Haswell microarchitecture. It is a "tick" in Intel's tick-tock principle as the next step in semiconductor fabrication.[1][2][3] Like some of the previous tick-tock iterations, Broadwell did not completely replace the full range of CPUs from the previous microarchitecture (Haswell), as there were no low-end desktop CPUs based on Broadwell.[4]
Some of the processors based on the Broadwell microarchitecture are marketed as "5th-generation Core" i3, i5 and i7 processors. This moniker is however not used for marketing of the Broadwell-based Celeron, Pentium or Xeon chips. This microarchitecture also introduced the Core M processor branding.
Broadwell's H and C variants will be used in conjunction with Intel 9 Series chipsets (Z97, H97 and HM97)[5], in addition to retaining backward compatibility with some of the Intel 8 Series chipsets.[citation needed]
Contents
[hide]
1 Design and variants
2 Instruction set extensions
3 New features
4 List of Broadwell processors
4.1 Desktop processors
4.1.1 "Broadwell-E" (14 nm)
4.2 Embedded processors
4.3 Mobile processors
4.4 Server processors
5 Roadmap and history
5.1 Releases
6 See also
7 Notes
8 References
9 External links
Design and variants[edit]
Broadwell has been launched in three major variants:[6]
BGA package:
Broadwell-Y: system on a chip (SoC); 4.5 W and 3.5 W thermal design power (TDP) classes, for tablets and certain ultrabook-class implementations. GT2 GPU will be used, while maximum supported memory is 8 GB of LPDDR3-1600.[7] These will be the first chips to roll out, and are expected for Q3/Q4 2014. At Computex 2014, Intel announced that these chips will be branded as Core M.[8] TSX instructions are disabled in this series of processors because a bug that cannot be fixed with a microcode update exists.[9]
Broadwell-U: SoC; two TDP classes – 15 W for 2+2 and 2+3 configurations (two cores with a GT2 or GT3 GPU) as well as 28 W for 2+3 configurations.[10] Designed to be used on motherboards with the PCH-LP chipset for Intel's ultrabook and NUC platforms. Maximum supported is up to 16 GB of DDR3 or LPDDR3 memory, with DDR3-1600 and LPDDR3-1867 as the maximum memory speeds. The 2+2 configuration is scheduled for Q4 2014, while the 2+3 is estimated for Q1 2015.[6] For Broadwell-U models with integrated 5x00 GPUs, die size is 82 mm2 with a total of 1.3 billion transistors, while for the models with 6100 and 6200 GPUs the die size is 133 mm2 with a total of 1.9 billion transistors.
Broadwell-H: 37 W and 47 W TDP classes, for motherboards with HM86, HM87, QM87 and the new HM97 chipsets for "all-in-one" systems, mini-ITX form-factor motherboards, and other small footprint formats. It may come in two different variants, as single and dual chips; the dual chips (4 cores, 8 threads) will have GT3e and GT2 GPU, while a single chip (SoC; two cores, four threads) will have GT3e GPU. Maximum supported memory is 32 GB of DDR3-1600.[7] These are scheduled for Q2 2015.[6]
LGA 1150 socket:
Broadwell-DT: quad-core unlocked desktop version with GT3e integrated graphics (Iris Pro 6200) and 128 MB of eDRAM L4 cache, in a 65 W TDP class. Announced to be backward compatible with the LGA 1150 motherboards designed for Haswell processors.[11]
LGA 2011-v3 socket:
Intel i7 6800K
Broadwell-EP: to be marketed as Xeon E5-2600 v4 etc., while using the C610 Wellsburg chipset platform. Up to 22 cores and 44 threads, up to 55 MB of total cache and 40 PCI Express 3.0 lanes, with 55–160 W TDP classes. Maximum supported memory speed is quad-channel DDR4-2400.[12]
Broadwell-EX: Brickland platform, for mission-critical servers. Intel QuickPath Interconnect (QPI) is expected to be updated to version 1.1, enabling seamless scaling beyond eight-socket systems. Maximum supported memory speeds are expected to be DDR3-1600 and DDR4-1866.[13][14] Up to 24 core and 48 threads, up to 60 MB of L3 cache and 32 PCI Express 3.0 lanes, with 115–165 W TDP.
Broadwell-E: HEDT platform, for enthusiasts. Announced at Computex 2016, it was released in July that year. Consisting of four processors: the 6800K, 6850K, 6900K, and the deca-core 6950X with clock speeds ranging from 3 GHz to 3.9 GHz as well as up to 25 MB of L3 cache; however, overclocking these processors has seen a max overclock headroom of 4.3 GHz stable.[15]
Instruction set extensions[edit]
Broadwell introduces some instruction set architecture extensions:[16][17]
Intel ADX: ADOX and ADCX for improving performance of arbitrary-precision integer operations[18]
RDSEED for generating 16-, 32- or 64-bit random numbers from a thermal noise entropy stream, according to NIST SP 800-90B and 800-90C[19]
PREFETCHW instruction[19]
Supervisor Mode Access Prevention (SMAP) – optionally disallows access from kernel-space memory to user-space memory, a feature aimed at making it harder to exploit software bugs.[citation needed]
Transactional Synchronization Extensions: This instruction set is reintroduced for all versions of Broadwell except for Broadwell-Y because a bug that cannot be fixed via microcode update in Broadwell-Y and all versions of Haswell except for the Haswell-EX variants has been fixed with a new CPU stepping level.[9]
New features[edit]
Broadwell's Intel Quick Sync Video hardware video decoder adds VP8 hardware decoding[20] and encoding[21] support. It adds VP9 and HEVC 10-bit decoding support through the integrated GPU.[22] Also, it will have two independent bit stream decoder (BSD) rings to process video commands on GT3 GPUs; this will allow one BSD ring to process decoding and the other BSD ring to process encoding at the same time.[23]
Broadwell's integrated GPU supports on Windows Direct3D 11.2, OpenGL 4.4 (OpenGL 4.5 on Linux[24]) and OpenCL 2.0.[25][26][27] However, it is marketed as Direct3D-12-ready.[28] Broadwell-E introduced Intel Turbo Boost Max Technology 3.0.[29]
List of Broadwell processors[edit]
Desktop processors[edit]
Target segment
Cores
(threads)
Processor branding
and model
GPU model
CPU frequency
TDP
Graphics clock rate
L3 cache
L4 cache[a]
Release
date
Price
(USD)
Socket
Base
Turbo
Base
Max
Performance 4 (8) Core i7 5775C Iris Pro 6200 3.3 GHz 3.7 GHz 65 W 300 MHz 1.15 GHz 6 MB 128 MB June 2, 2015 (2015-06-02)[30] $366 LGA
1150
Mainstream 4 (4) Core i5 5675C 3.1 GHz 3.6 GHz 1.1 GHz 4 MB $276
"Broadwell-E" (14 nm)[edit]
Model
number
sSpec
number
Cores
Frequency
Turbo
L2
cache
L3
cache
TDP
Socket
I/O bus
Memory
Release date
Part
number(s)
Release
price (USD)
Core i7-6950X
SR2PA
10 3 GHz 3.5 GHz 10 × 256 KiB 25 MiB
140 W
LGA 2011-3 DMI 2.0 4 × DDR4-2400 30 May 2016
BX80671I76950X
BXC80671I76950X
$1723
Core i7-6900K
SR2PB
8 3.2 GHz 3.7 GHz 8 × 256 KiB 20 MiB
140 W
LGA 2011-3 DMI 2.0 4 × DDR4-2400 2016
BX80671I76900K
BXC80671I76900K
$1089
Core i7-6850K
SR2PC
6 3.6 GHz 3.8 GHz 6 × 256 KiB 15 MiB
140 W
LGA 2011-3 DMI 2.0 4 × DDR4-2400 2016
BX80671I76850K
BXC80671I76850K
$617
Core i7-6800K
SR2PD
6 3.4 GHz 3.6 GHz 6 × 256 KiB 15 MiB
140 W
LGA 2011-3 DMI 2.0 4 × DDR4-2400 2016
BX80671I76800K
BXC80671I76800K
$434
Embedded processors[edit]
Target
segment
Cores
(threads)
Processor branding
and model
GPU model
CPU frequency
TDP
Graphics clock rate
L3
cache
L4
cache[a]
Release date
Price
(USD)
Socket
Base
Turbo
Base
Max
Performance 4 (8) Core i7 5775R Iris Pro 6200 3.3 GHz 3.8 GHz 65 W 300 MHz 1.15 GHz 6 MB 128 MB June 2, 2015 (2015-06-02)[30] $348 BGA
1364
Mainstream 4 (4) Core i5 5675R 3.1 GHz 3.6 GHz 1.1 GHz 4 MB $265
5575R 2.8 GHz 3.3 GHz 1.05 GHz $244
Server 4 (8) Xeon E3 1284Lv4 Iris Pro P6300 2.9 GHz 3.8 GHz 47 W 1.15 GHz 6 MB OEM
1278Lv4 2.0 GHz 3.3 GHz 800 MHz 1.0 GHz $546
1258Lv4 P5700 1.8 GHz 3.2 GHz 700 MHz N/A $481
Mobile processors[edit]
Target
segment
Cores
(threads)
Processor branding
and model
GPU model
Base
frequency
Turbo frequency
TDP
cTDP down
Graphics
clock rate
L3
cache
Release date
Price
(USD)
Single Core
Dual Core
Base
Max
Performance 4 (8) Core i7 5950HQ Iris Pro 6200 2.9 GHz 3.7 GHz N/A 47 W N/A 300 MHz 1.15 GHz 6 MB June 2015 $623
5850HQ Iris Pro 6200 2.7 GHz 3.6 GHz N/A 47 W N/A 300 MHz 1.1 GHz 6 MB June 2015 $434
5750HQ Iris Pro 6200 2.5 GHz 3.4 GHz N/A 47 W 600 MHz / 37 W 300 MHz 1.05 GHz 6 MB June 2015 $434
5700HQ HD 5600 2.7 GHz 3.5 GHz N/A 47 W 600 MHz / 37 W 300 MHz 1.05 GHz 6 MB June 2015 $378
Mainstream 2 (4) 5650U HD 6000 2.2 GHz 3.2 GHz 3.1 GHz 15 W 600 MHz / 9.5 W 300 MHz 1 GHz 4 MB Q1 2015 $426
5600U HD 5500 2.6 GHz 3.2 GHz 3.1 GHz 15 W 600 MHz / 7.5 W 300 MHz 950 MHz 4 MB Q1 2015 $393
5557U Iris 6100 3.1 GHz 3.4 GHz 3.4 GHz 28 W N/A / 23 W 300 MHz 1.1 GHz 4 MB Q1 2015 $426
5550U HD 6000 2.0 GHz 3.0 GHz 2.9 GHz 15 W 600 MHz / 9.5 W 300 MHz 1 GHz 4 MB Q1 2015 $426
5500U HD 5500 2.4 GHz 3.0 GHz 2.9 GHz 15 W 600 MHz / 7.5 W 300 MHz 950 MHz 4 MB Q1 2015 $393
Core i5 5350H Iris Pro 6200 3.1 GHz 3.5 GHz N/A 47 W N/A 300 MHz 1.05 GHz 4 MB June 2015 $289
5350U HD 6000 1.8 GHz 2.9 GHz 2.7 GHz 15 W 600 MHz / 9.5 W 300 MHz 1 GHz 3 MB Q1 2015 $315
5300U HD 5500 2.3 GHz 2.9 GHz 2.7 GHz 15 W 600 MHz / 7.5 W 300 MHz 900 MHz 3 MB Q1 2015 $281
5287U Iris 6100 2.9 GHz 3.3 GHz 3.3 GHz 28 W 600 MHz / 23 W 300 MHz 1.1 GHz 3 MB Q1 2015 $315
5257U Iris 6100 2.7 GHz 3.1 GHz 3.1 GHz 28 W 600 MHz / 23 W 300 MHz 1.05 GHz 3 MB Q1 2015 $315
5250U HD 6000 1.6 GHz 2.7 GHz 2.5 GHz 15 W 600 MHz / 9.5 W 300 MHz 950 MHz 3 MB Q1 2015 $315
5200U HD 5500 2.2 GHz 2.7 GHz 2.5 GHz 15 W 600 MHz / 7.5 W 300 MHz 900 MHz 3 MB February 2015[31] $281
Core i3 5157U Iris 6100 2.5 GHz N/A N/A 28 W 600 MHz / 23 W 300 MHz 1 GHz 3 MB January 2015 $315
5020U HD 5500 2.2 GHz N/A N/A 15 W 600 MHz / 10 W 300 MHz 900 MHz 3 MB March 2015 $281
5015U HD 5500 2.1 GHz N/A N/A 15 W 600 MHz / 10 W 300 MHz 850 MHz 3 MB March 2015 $275
5010U HD 5500 2.1 GHz N/A N/A 15 W 600 MHz / 10 W 300 MHz 900 MHz 3 MB January 2015 $281
5005U HD 5500 2.0 GHz N/A N/A 15 W 600 MHz / 10 W 300 MHz 850 MHz 3 MB January 2015 $275
Pentium 3825U HD Graphics 1.9 GHz N/A N/A 15 W 600 MHz / 10 W 300 MHz 850 MHz 2 MB March 2015
2 (2) 3805U HD Graphics 1.9 GHz N/A N/A 15 W 600 MHz / 10 W 100 MHz 800 MHz 2 MB Q1 2015 $161
Celeron 3755U HD Graphics 1.7 GHz N/A N/A 15 W 600 MHz / 10 W 100 MHz 800 MHz 2 MB Q1 2015 $107
3205U HD Graphics 1.5 GHz N/A N/A 15 W 600 MHz / 10 W 100 MHz 800 MHz 2 MB Q1 2015 $107
Target
segment
Cores
(Threads)
Processor
Branding & Model
GPU Model
Programmable TDP[32]:69–72
CPU Turbo
Graphics Clock rate
L3
Cache
Release
Date
Price
(USD)
SDP[33][34]:71
cTDP down[a]
Nominal TDP[b]
cTDP up[c]
1-core
Normal
Turbo
Mainstream 2 (4)[35] Core M (vPro) 5Y71 HD 5300
(GT2)[36] 3.5 W 3.5 W / 600 MHz 4.5 W / 1.2 GHz 6 W / 1.4 GHz 2.9 GHz 300 MHz 900 MHz 4 MB October 27, 2014 (2014-10-27) $281
5Y70 N/A N/A 4.5 W / 1.1 GHz N/A 2.6 GHz 100 MHz 850 MHz September 5, 2014 (2014-09-05) $281
Core M 5Y51 3.5 W 3.5 W / 600 MHz 6 W / 1.3 GHz 300 MHz 900 MHz October 27, 2014 (2014-10-27) $281
5Y31 4.5 W / 900 MHz 6 W / 1.1 GHz 2.4 GHz 850 MHz
5Y10c 4.5 W / 800 MHz 6 W / 1 GHz 2.0 GHz 800 MHz
5Y10a N/A N/A N/A 100 MHz September 5, 2014 (2014-09-05) $281
5Y10[37] 4 W / ? MHz
When a cooler or quieter mode of operation is desired, this mode specifies a lower TDP and lower guaranteed frequency versus the nominal mode.[32]:71–72
This is the processor's rated frequency and TDP.[32]:71–72
When extra cooling is available, this mode specifies a higher TDP and higher guaranteed frequency versus the nominal mode.[32]:71–72
Server processors[edit]
Target
segment
Cores
(threads)
Processor branding
and model
Base
frequency
Turbo
frequency
TDP
Socket
Memory
L3
cache
Release date
Price
(USD)
Single core
All cores
Type
Channel
SoC server 16 (32) Xeon D D-1587 1.7 GHz N/A 2.3 GHz 65 W FCBGA 1667 DDR4
up to
128 GB
w/ ECC
support Dual 24 MB Q1 2016 $1754
D-1577 1.3 GHz 2.1 GHz 45 W Q1 2016 $1477
D-1571 1.3 GHz 2.1 GHz Q1 2016 $1222
12 (24) D-1567 2.1 GHz 2.7 GHz 65 W 18 MB Q1 2016 $1299
D-1559 1.5 GHz 2.1 GHz 45 W Q2 2016 $883
D-1557 1.5 GHz 2.1 GHz Q1 2016 $844
8 (16) D-1553N 2.3 GHz 2.7 GHz 65 W 12 MB Q3 2017 $855
D-1548 2.0 GHz 2.6 GHz 45 W Q4 2015 $675
D-1543N 1.9 GHz 2.4 GHz Q3 2017 $652
D-1541 2.1 GHz 2.7 GHz Q4 2015 $581
D-1540 2.0 GHz 2.6 GHz Q1 2015 $581
D-1539 1.6 GHz 2.2 GHz 35 W Q2 2016 $590
D-1537 1.7 GHz 2.3 GHz Q4 2015 $571
6 (12) D-1533N 2.1 GHz 2.7 GHz 45 W 9 MB Q3 2017 $470
D-1531 2.2 GHz 2.7 GHz Q4 2015 $348
4 (8) D-1529 1.3 GHz 1.3 GHz 20 W 6 MB Q2 2016 $324
6 (12) D-1528 1.9 GHz 2.5 GHz 35 W 9 MB Q4 2015 $389
4 (8) D-1527 2.2 GHz 2.7 GHz 6 MB Q4 2015 $259
D-1523N 2.0 GHz 2.6 GHz 45 W Q3 2017 $256
D-1521 2.4 GHz 2.7 GHz Q4 2015 $199
D-1520 2.2 GHz 2.6 GHz Q1 2015 $199
D-1518 2.2 GHz 2.2 GHz 35 W Q4 2015 $234
D-1513N 1.6 GHz 2.2 GHz Q3 2017 $192
Pentium D D1519 1.5 GHz 2.1 GHz 25 W Q2 2016 $200
D1517 1.6 GHz 2.2 GHz Q4 2015 $194
2 (2) D1509 1.5 GHz TBA 19 W 3 MB $156
2 (4) D1508 2.2 GHz 2.6 GHz 25 W $129
2 (2) D1507 1.2 GHz TBA 20 W $103
Target
segment
Cores
(threads)
Processor
branding and model
GPU
model
CPU
clock rate
Graphics
clock rate
L3
cache
TDP
Release
date
Release
price
(USD)
tray / box
Motherboard
Normal
Turbo
Normal
Turbo
Socket
Interface
Memory
Server 4 (8) Xeon E3 v4 1285v4 HD (P6300) 3.5 GHz 3.8 GHz 300 MHz 1.15 GHz 6 MB 95 W Q2 15 $556 / — LGA
1150 DMI 2.0
PCIe 3.0 DDR3 or DDR3L
1333/1600/1866
with ECC
1285Lv4 3.4 GHz 65 W $445 / —
1265Lv4 2.3 GHz 3.3 GHz 1.05 GHz 35 W $417 / —
Target
segment
Cores
(threads)
Processor
branding and model
CPU clock rate
L3
cache
TDP
Release
date
Release
price
Motherboard
Normal
Turbo
Socket
Interface
Memory
Server
(dual socket) 22 (44) Xeon E5 v4 2699v4 2.2 GHz 3.6 GHz 55 MB 145 W Q1 16 $4115 LGA
2011-3 PCIe 3.0 DDR4
1600/1866/2133/2400
with ECC
20 (40) 2698v4 2.2 GHz 3.6 GHz 50 MB 135 W $3226
18 (36) 2697v4 2.3 GHz 3.6 GHz 45 MB 145 W $2702
16 (32) 2697Av4 2.6 GHz 3.6 GHz 40 MB 145 W $2891
18 (36) 2695v4 2.1 GHz 3.3 GHz 45 MB 120 W $2424
14 (28) 2690v4 2.6 GHz 3.5 GHz 35 MB 135 W $2090
10 (20) 2689v4 3.1 GHz 3.8 GHz 25 MB 165 W $2723
12 (24) 2687Wv4 3.0 GHz 3.5 GHz 30 MB 160 W $2141
16 (32) 2683v4 2.1 GHz 3.0 GHz 40 MB 120 W $1745
14 (28) 2680v4 2.4 GHz 3.3 GHz 35 MB 120 W $1745
8 (16) 2667v4 3.2 GHz 3.6 GHz 25 MB 135 W $2057
14 (28) 2660v4 2.0 GHz 3.2 GHz 35 MB 105 W $1445
2658v4 2.3 GHz 2.8 GHz $1832
12 (24) 2650v4 2.2 GHz 2.9 GHz 30 MB 105 W $1166 - $1171
14 (28) 2650Lv4 1.7 GHz 2.5 GHz 35 MB 65 W $1329
2648Lv4 1.8 GHz 2.5 GHz 75 W $1544
6 (12) 2643v4 3.4 GHz 3.7 GHz 20 MB 135 W $1552
10 (20) 2640v4 2.4 GHz 3.4 GHz 25 MB 90 W $939 DDR4
1600/1866/2133
with ECC
4 (8) 2637v4 3.5 GHz 3.7 GHz 15 MB 135 W $996 DDR4
1600/1866/2133/2400
with ECC
10 (20) 2630v4 2.2 GHz 3.1 GHz 25 MB 85 W $667 DDR4
1600/1866/2133
with ECC
2630Lv4 1.8 GHz 2.9 GHz 55 W $612
12 (24) 2628Lv4 1.9 GHz 2.4 GHz 30 MB 75 W $1364
4 (8) 2623v4 2.6 GHz 3.2 GHz 10 MB 85 W $444
8 (16) 2620v4 2.1 GHz 3.0 GHz 20 MB $417
10 (20) 2618Lv4 2.2 GHz 3.2 GHz 25 MB 75 W $779
8 (8) 2609v4 1.7 GHz 1.7 GHz 20 MB 85 W $306 - $310 DDR4
1600/1866
with ECC
8 (16) 2608Lv4 1.6 GHz 1.7 GHz 50 W $363
6 (6) 2603v4 1.7 GHz 1.7 GHz 15 MB 85 W $213
Server
(single socket) 8 (16) 1680v4 3.4 GHz 4.0 GHz 20 MB 140 W Q2 16 $1723 DDR4
1600/1866/2133/2400
with ECC
1660v4 3.2 GHz 3.8 GHz $1113
6 (12) 1650v4 3.6 GHz 4.0 GHz 15 MB $617 - $621
4 (8) 1630v4 3.7 GHz 4.0 GHz 10 MB $406
1620v4 3.5 GHz 3.8 GHz $294 - $297
Roadmap and history[edit]
Main article: Intel Tick-Tock
On September 10, 2013, Intel showcased the Broadwell 14 nm processor in a demonstration at IDF. Intel CEO Brian Krzanich claimed that the chip would allow systems to provide a 30 percent improvement in power use over the Haswell chips released in mid-2013. Krzanich also claimed that the chips would ship by the end of 2013;[38] however, the shipment was delayed due to low yields from Intel's 14 nm process.[39]
On October 21, 2013, a leaked Intel roadmap indicated a late 2014 or early 2015 release of the K-series Broadwell on the LGA 1150 platform, in parallel with the previously announced Haswell refresh. This would coincide with the release of Intel's 9-series chipset, which would be required for Broadwell processors due to a change in power specifications for its LGA 1150 socket.[40][41]
On May 18, 2014, Reuters quoted Intel's CEO promising that Broadwell-based PCs would be on shelves for the holiday season, but probably not for the back-to-school shopping.[42]
Mobile CPUs were expected in Q4 2014 and high-performance quad-core CPUs in 2015. The mobile CPUs would benefit from the reduced energy consumption of the die shrink.[43][44]
On June 18, 2014, Intel told CNET that while some specialized Broadwell-based products would be out in Q4 2014, "broader availability" (including mobile CPUs) would only happen in 2015.[45]
As of July 2014[update], Broadwell CPUs were available to Intel's hardware partners in sample quantities.[46] Intel was expected to release 17 Broadwell U series family microprocessors at CES 2015.[47] Also, according to a leak posted on vr-zone, Broadwell-E chips would be available in 2016.[48]
On August 11, 2014, Intel unveiled formally its 14 nm manufacturing process, and indicated that mobile variants of the process would be known as Core M products. Additionally, Core M products were announced to be shipping during the end of 2014, with desktop variants shipping shortly after.[49]
With Broadwell, Intel focused mainly on laptops, miniature desktops, and all-in-one systems.[50] This left traditional desktop users with no new socketed CPU options beyond fourth-generation Haswell, which first arrived in 2013. Even though the company finally introduced two Broadwell desktop chips in the summer of 2015, it launched its high-end sixth-generation Skylake CPUs very shortly thereafter. In September 2015, Kirk Skaugen, senior vice president and general manager of Intel's Client Computing Group, admitted that skipping desktops with Broadwell was a poor decision. Between the end-of-life for Windows XP in 2014 and the lack of new desktop chips, Intel had not given desktop PC users any good reasons to upgrade in 2015.[50]
Releases[edit]
On September 5, 2014, Intel launched the first three Broadwell-based processors that belong to the low-TDP Core M family, Core M 5Y10, Core M 5Y10a and Core M 5Y70.[51]
On October 9, 2014, the first laptop with Broadwell Intel Core M 5Y70 CPU, Lenovo Yoga 3 Pro, was launched.[52]
On October 31, 2014, four more Broadwell based CPUs were launched belonging to Core M Family, increasing the number of launched Broadwell CPUs to seven.[53]
On January 5, 2015, 17 additional Broadwell laptop CPUs were launched for the Celeron, Pentium and Core i3, i5 and i7 series.[54]
On March 31, 2016, Intel officially launched 14 nm Broadwell-EP Xeon E5 V4 CPUs.[55]
On May 30, 2016, Intel officially launched 14 nm Broadwell-E Core i7 69xx/68xx processor family.
See also[edit]
List of Intel CPU microarchitectures
List of Intel Core M microprocessors
Notes[edit]
^ Jump up to: a b Implemented as eDRAM and serving primarily to increase the performance of integrated GPU, while being shared with the CPU.
References[edit]
Jump up ^ "22nm Details" (PDF) (presentation). Intel. Retrieved January 4, 2012.
Jump up ^ Demerjian, Charlie. "After Intel's Haswell comes Broadwell". SemiAccurate. Retrieved January 4, 2012.
Jump up ^ Broekhuijsen, Niels (May 22, 2014). "Intel Broadwell CPUs to Arrive Later This Year". Tom's Hardware. Retrieved May 31, 2014.
Jump up ^ "Lower-end desktop CPUs won't get Broadwell, will need to wait for Skylake". Ars Technica.
Jump up ^ Reynolds, Sam (August 26, 2013). "Intel's 9-series chipsets will support Broadwell". vr-zone.com. Archived from the original on November 20, 2013. Retrieved November 20, 2013.
^ Jump up to: a b c "Intel Broadwell Production Plan Leaked – BDW-H Delayed To May 2015". WCCFTech. Retrieved May 21, 2014.
^ Jump up to: a b "Intel's 14nm Process 'Broadwell' Lineup Details Leaked". WCCFTech. Retrieved December 12, 2013.
Jump up ^ Cutress, Ian (June 3, 2014). "Intel Keynote at Computex 2014: 14nm Core-M, SoFIA, Devil's Canyon, DC P3700 and RealSENSE". AnandTech. Retrieved June 5, 2014.
^ Jump up to: a b Wasson, Scott (August 12, 2014). "Errata prompts Intel to disable TSX in Haswell, early Broadwell CPUs". The Tech Report. Retrieved March 23, 2016.
Jump up ^ "Intel Broadwell GPUs to use HD 5x00, Iris 6100 and Iris Pro 6200 branding". cpu-world.com.
Jump up ^ "Intel Broadwell Core i7-5775C and Core i5-5675C Processors With Iris Pro Graphics 6200 Detailed – Launching in Q2 2015". wccftech.com. March 23, 2015. Retrieved March 24, 2015.
Jump up ^ Anton Shilov (May 25, 2015). "Skylake Purley: Intel Xeon E5 and E7 Platform Update". xbitlabs.com. Retrieved May 25, 2015.
Jump up ^ Valich, Theo (January 10, 2014). "Intel Brickland & Grantley Platforms Revealed: Ivy Bridge-EX, Haswell-EX, Broadwell-EX". Vr-zone.com. Retrieved January 19, 2014.
Jump up ^ Novakovic, Nebojsa (January 10, 2014). "Socket 2011 to become the dominant Intel high end physical format even on Xeon EX – but different pin-outs, of course". Vr-zone.com. Retrieved January 19, 2014.
Jump up ^ "Intel Broadwell-E Specifications Leaked - Core i7-6950X Flagship Processor To Rock 10 Cores and 20 Threads, Core i7-6900K, Core i7-6850K and Core i7-6800K Detailed". WCCFtech. Retrieved 2016-04-10.
Jump up ^ "Intel Software Development Emulator | Intel Developer Zone". Software.intel.com. July 23, 2013. Retrieved October 16, 2013.
Jump up ^ Intel Architecture Instruction Set Extensions Programming Reference[permanent dead link] (Document number 319433-013B) // Intel, July 2012, Chapter 9 "ADDITIONAL NEW INSTRUCTIONS"
Jump up ^ New Instructions Supporting Large Integer Arithmetic on Intel Architecture Processors (Document number 327831 -001) // Intel, August 2012
^ Jump up to: a b Intel C++ Composer XE 2013 for Windows* Installation Guide and Release Notes (Document number: 321414-004US) // Intel, October 4, 2012; section "3.2.4 Inline assembly and intrinsic support for Intel architecture code named Broadwell added to Composer XE 2013 Update 1", page 13
Jump up ^ "VA-API 1.3 Readies Broadwell Support, Adds VP8 Decoding". Phoronix.com. March 18, 2014. Retrieved June 10, 2015.
Jump up ^ "VA-API Adds Support For VP8 Video Encoding". Phoronix.com. July 19, 2014. Retrieved June 10, 2015.
Jump up ^ "Intel® Iris™ and HD Graphics Driver update posted for Haswell and Broadwell version 15.36.14.4080".
Jump up ^ "Intel Broadwell GT3 Graphics Have Dual BSD Rings". Phoronix.com. Retrieved April 17, 2014.
Jump up ^ Mesa 13.0 Released With Intel OpenGL 4.5
Jump up ^ "Intel® Iris™, Iris™ Pro, and HD Graphics Production Driver for Windows® 7, 8.1, & 10". Intel® Download Center.
Jump up ^ Release notes for driver version 15.40.37.4835
Jump up ^ "The Compute Architecture of Intel Processor Graphics Gen8".
Jump up ^ Cutress, Ian. "Broadwell GPU Improvements". Retrieved November 24, 2015.
Jump up ^ http://wccftech.com/intel-broadwell-e-core-i7-processors-specs-prices-launch/
^ Jump up to: a b "Intel launches Broadwell-H chips for desktops and laptops, but world waits for 'Skylake'". Retrieved June 2, 2015.
Jump up ^ "Aldi verkoopt laptop met processor van de 5de generatie". Retrieved February 18, 2015.
^ Jump up to: a b c d "4th Generation Intel Core processor based on Mobile M-Processor and H-Processor Lines Datasheet, Volume 1 of 2" (PDF). intel.com. December 2013. Retrieved December 22, 2013. Configurable TDP (cTDP) and Low-Power Mode (LPM) form a design vector where the processor behavior and package TDP are dynamically adjusted to a desired system performance and power envelope. [...] With cTDP, the processor is now capable of altering the maximum sustained power with an alternate guaranteed frequency. Configurable TDP allows operation in situations where extra cooling is available or situations where a cooler and quieter mode of operation is desired.
Jump up ^ "The technical details behind Intel's 7 Watt Ivy Bridge CPUs". arstechnica.com. January 14, 2013. Retrieved December 22, 2013. If the CPU needs to work hard for an extended period of time and the laptop gets warmer, it will slowly ramp down its speed until it's operating at its stated TDP. [...] There are two OEM-configurable "power level" states that define how quick the CPU can be in these situations: PL2 tells the processor how much power it's allowed to use when it needs a short burst of speed, and PL1 defines how quickly the processor can run under sustained load. [...] This is at the heart of what Intel is doing with the Y-series processors: their maximum TDP has been lowered four watts, from 17 to 13. Intel is also validating them for use at two lower PL1 values: 10 watts and 7 watts. This is where the marketing we discussed earlier comes in—rather than keeping these values under the covers as it has so far been content to do, Intel has taken that lowest value, put it on its product pages, and called it SDP.
Jump up ^ "4th Generation Intel Core processor based on Mobile U-Processor and Y-Processor Lines Datasheet, Volume 1 of 2" (PDF). intel.com. December 2013. Retrieved December 22, 2013.
Jump up ^ Ian Cutress. "Intel's Core M Strategy: CPU Specifications for 9mm Fanless Tablets and 2-in-1 Devices". Retrieved January 6, 2015.
Jump up ^ "Intel launches three Core M CPUs, promises more Broadwell "early 2015"". Ars Technica. Retrieved January 6, 2015.
Jump up ^ "Details of first Broadwell "Y" mobile processors". cpu-world.com. July 2014. Retrieved January 6, 2015.
Jump up ^ "Intel reveals 14nm PC, declares Moore's Law 'alive and well'". The Register. September 10, 2013. Retrieved September 28, 2014.
Jump up ^ "Intel delays Broadwell PC chip production to early next year". CNET. October 15, 2013. Retrieved September 28, 2014.
Jump up ^ "Intel's Broadwell-K launching at end of 2014 according to new roadmap". vr-zone.com. October 21, 2013. Retrieved October 24, 2013.
Jump up ^ Shilov, Anton (August 29, 2013). "Intel Changes Plans: Core i "Broadwell" Processors Will Be Available in LGA Packaging, But There Is a Catch". Xbit Labs. Retrieved October 24, 2013.
Jump up ^ "Exclusive: Intel CEO promises Broadwell PCs on shelves for holidays". reuters.com. May 18, 2014. Retrieved May 17, 2014.
Jump up ^ "Computex 2014: Intels Broadwell kommt rechtzeitig zum Weihnachtsgeschäft". Heise.de. May 22, 2014. Retrieved May 31, 2014.
Jump up ^ Chris.L (May 19, 2014). "2014 年底前絕對見到，14nm Broadwell 處理器最快在 37 周出貨". chinese.vr-zone.com. Retrieved July 19, 2014.
Jump up ^ Crothers, Brooke. "Intel's next-gen processor, Broadwell, is (mostly) a 2015 thing". CNET. Retrieved July 19, 2014.
Jump up ^ Mark Hachman (July 15, 2014). "Intel shipping Broadwell, but next-gen Skylake chip could slip". PCWorld. Retrieved July 19, 2014.
Jump up ^ "Intel to launch Broadwell "U" series CPUs at CES 2015".
Jump up ^ "Intel's Extreme Broadwell-E chips reportedly not coming until early 2016". PC Gamer.
Jump up ^ Hachman, Mark (August 11, 2014). "Intel aims next-gen 14nm 'Broadwell' technology at fanless tablets, Ultrabooks". PCWorld. Retrieved August 15, 2014.
^ Jump up to: a b "Intel regrets skipping Broadwell desktop CPUs". September 15, 2015. Retrieved October 10, 2015.
Jump up ^ "Intel launches first Broadwell processors".
Jump up ^ "The first Core M laptop paints a depressing, mediocre picture for Intel's Broadwell - ExtremeTech". ExtremeTech.
Jump up ^ "Intel to release Core M 5Y10c, 5Y31, 5Y51 and 5Y71 processors".
Jump up ^ "Broadwell U arrives: Faster laptop CPUs and GPUs from Core i7 to Celeron". ArsTechnica.
Jump up ^ Johan De Gelas. "The Intel Xeon E5 v4 Review: Testing Broadwell-EP With Demanding Server Workloads". anandtech.com.
External links[edit]
Intel to launch Broadwell "U" series CPUs at CES 2015
[show]
v
t
e
Intel processors
[show]
Discontinued
BCD oriented (4-bit)
4004 (1971)
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8008 (1972)
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8085 (1977)
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250 nm
Tillamook
P6 / Pentium M /
Enhanced Pentium M
500 nm
P6
350 nm
P6
Klamath
250 nm
Mendocino
Dixon
Tonga
Covington
Deschutes
Katmai
Drake
Tanner
180 nm
Coppermine
Coppermine T
Timna
Cascades
130 nm
Tualatin
Banias
90 nm
Dothan
Stealey
Tolapai
Canmore
65 nm
Yonah
Sossaman
NetBurst
180 nm
Willamette
Foster
130 nm
Northwood
Gallatin
Prestonia
90 nm
Tejas and Jayhawk
Prescott
Smithfield
Nocona
Irwindale
Cranford
Potomac
Paxville
65 nm
Cedar Mill
Presler
Dempsey
Tulsa
Core / Penryn
65 nm
Merom-L
Merom
Conroe-L
Allendale
Conroe
Kentsfield
Woodcrest
Clovertown
Tigerton
45 nm
Penryn
Penryn-QC
Wolfdale
Yorkfield
Wolfdale-DP
Harpertown
Dunnington
Bonnell / Saltwell
45 nm
Silverthorne
Diamondville
Pineview
Lincroft
Tunnel Creek
Stellarton
Sodaville
Groveland
32 nm
Cedarview
Penwell
Cloverview
Berryville
Centerton
Nehalem / Westmere
45 nm
Clarksfield
Lynnfield
Jasper Forest
Bloomfield
Gainestown (Nehalem-EP)
Beckton (Nehalem-EX)
32 nm
Arrandale
Clarkdale
Gulftown (Westmere-EP)
Westmere-EX
Sandy Bridge / Ivy Bridge
32 nm
Sandy Bridge
Sandy Bridge-E
Gladden
22 nm
Ivy Bridge
Ivy Bridge-EP
Ivy Bridge-EX
Haswell / Broadwell
22 nm
Haswell
14 nm
Broadwell
Silvermont / Airmont
22 nm
Valleyview
Tangier
Anniedale
14 nm
Cherryview
Skylake / Kaby Lake /
Coffee Lake / Cannon Lake
14 nm
Skylake
Kaby Lake
Coffee Lake
10 nm
Cannon Lake
Goldmont
14 nm
Goldmont
Goldmont Plus
Future (Ice Lake / Tiger Lake /
Sapphire Rapids)
10 nm
Ice Lake
Tiger Lake
7 nm or 10 nm
Sapphire Rapids
[show]
v
t
e
Intel CPU core roadmaps from NetBurst and P6 to Sapphire Rapids
Atom (ULV) Feature size x86
600 nm P6 Pentium Pro (133 MHz)
500 nm Pentium Pro (150 MHz)
350 nm Pentium Pro (166–200 MHz)
Klamath
250 nm Deschutes
Katmai NetBurst
180 nm Coppermine Willamette
130 nm Tualatin Northwood
Banias NetBurst(HT) NetBurst(×2)
90 nm Dothan Prescott ⇨ Prescott‑2M ⇨ Smithfield
Tejas → ⇩ → Cedarmill (Tejas)
65 nm Yonah Nehalem (NetBurst) Cedar Mill ⇨ Presler
Core Merom (x86-64)
Bonnell Bonnell 45 nm Penryn
Nehalem Nehalem HT reintroduced, integrated MC, PCH,
L3-cache introduced, 256KiB L2-cache/core
Saltwell 32 nm Westmere GPU on same package in 45nm, AES-NI introduced
Sandy Bridge Sandy Bridge on-die ring bus, GPU on die, no more non-UEFI motherboards
Silvermont Silvermont 22 nm Ivy Bridge
Haswell Haswell FIVR
Airmont 14 nm Broadwell
Goldmont Goldmont Skylake Skylake
Kaby Lake
Goldmont Plus Coffee Lake
10 nm Cannon Lake
Ice Lake Ice Lake
Tiger Lake
7 nm or 10 nm++ Ice Lake or new architecture Sapphire Rapids
Italic names indicate canceled processors
Bold names are the microarchitecture names
Bold italic names are future processors
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