List of Intel CPU microarchitectures explained
The following is a partial list of Intel CPU microarchitectures. The list is incomplete, additional details can be found in Intel's tick–tock model, process–architecture–optimization model and .
x86 microarchitectures
Pipeline stages! Max
clock
(MHz)! Process node1978 | 8086 (8086, 8088) | 2 | 5 | 3000 nm |
1982 | 186 (80186, 80188) | 2 | 25 |
1982 | 286 (80286) | 3 | 25 | 1500 nm |
1985 | 386 (80386) | 6[1] | 33 |
1989 | 486 (80486) | 5 | 100 | 1000 nm |
1993 | P5 (Pentium) | 5 | 200 | 800, 600, 350 nm |
1995 | P6 (Pentium Pro, Pentium II) | 14 (17 with load & store/retire) | 450 | 500, 350, 250 nm |
1997 | P5 (Pentium MMX) | 6 | 233 | 350 nm |
1999 | P6 (Pentium III) | 12 (15 with load & store/retire) | 1400 | 250, 180, 130 nm |
2000 | NetBurst (Pentium 4) (Willamette) | 20 unified with branch prediction | 2000 | 180 nm |
2002 | NetBurst (Pentium 4) (Northwood, Gallatin) | 3466 | 130 nm |
2003 | Pentium M (Banias, Dothan) Enhanced Pentium M (Yonah) | 10 (12 with fetch/retire) | 2333 | 130, 90, 65 nm |
2004 | NetBurst (Pentium 4, Pentium D) (Prescott) | 31 unified with branch prediction | 3800 | 90, 65 nm |
2006 | Intel Core | 12 (14 with fetch/retire) | 3000 | 65 nm |
2007 | Penryn (die shrink) | 3333 | 45 nm |
2008 | Nehalem | 20 unified (14 without miss prediction) | 3600 |
Bonnell | 16 (20 with prediction miss) | 2100 |
2010 | Westmere (die shrink) | 20 unified (14 without miss prediction) | 3866 | 32 nm |
2011 | Saltwell (die shrink) | 16 (20 with prediction miss) | 2130 |
Sandy Bridge | 14 (16 with fetch/retire) | 4000 |
2012 | Ivy Bridge (die shrink) | 4100 | 22 nm |
2013 | Silvermont | 14–17 (16–19 with fetch/retire) | 2670 |
Haswell | 14 (16 with fetch/retire) | 4400 |
2014 | Broadwell (die shrink) | 3700 | 14 nm |
2015 | Airmont (die shrink) | 14–17 (16–19 with fetch/retire) | 2640 |
Skylake | 14 (16 with fetch/retire) | 5200 |
2016 | Goldmont | 20 unified with branch prediction | 2600 |
2017 | Goldmont Plus | 20 unified with branch prediction (?) | 2800 |
2018 | Palm Cove | 14 (16 with fetch/retire) | 3200 | 10 nm |
2019 | Sunny Cove | 12–20 (misprediction) | 4100 |
2020 | Tremont | 20 unified | 3300 |
Willow Cove | 12 unified | 5300 |
2021 | | 12 unified | 5300 | 14 nm |
| 12 unified | 5500 | Intel 7 |
| 20 unified with misprediction penalty | 4300 |
2022 | Raptor Cove | 12 unified | 6200 |
2023 | Redwood Cove | | | Intel 4, Intel 3 |
Crestmont | | | Intel 4, TSMC N6, Intel 3 |
2024 | Lion Cove | | | TSMC N3B |
Skymont | | |
Note: Atom/Power efficient microarchitectures are in Italic | |
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- 8086: first x86 processor; initially a temporary substitute for the iAPX 432 to compete with Motorola, Zilog, and National Semiconductor and to top the successful Z80. The 8088 version, with an 8-bit bus, was used in the original IBM Personal Computer.
186: included a DMA controller, interrupt controller, timers, and chip select logic. A small number of additional instructions. The 80188 was a version with an 8-bit bus.
286: first x86 processor with protected mode including segmentation based virtual memory management. Performance improved by a factor of 3 to 4 over 8086. Included instructions relating to protected mode. The 80286 had a 24-bit address bus.
- i386: first 32-bit x86 processor. Introduced paging on top of segmentation which is the most commonly used memory protection technology in modern operating systems ever since. Many additional powerful and valuable new instructions.
i486: Intel's second generation of 32-bit x86 processors, introduced built-in floating point unit (FPU), 8 KB on-chip L1 cache, and pipelining. Faster per MHz than the 386. Small number of new instructions.
P5: original Pentium microprocessors, first x86 processor with super-scalar architecture and branch prediction.
P6: used in Pentium Pro, Pentium II, Pentium II Xeon, Pentium III, and Pentium III Xeon microprocessors. First x86 processor to support SIMD instruction with XMM register implemented, RISC μop decode scheme, integrated register renaming and out-of-order execution. Some important new instructions, including conditional moves, which allow the avoidance of costly branch instructions. Added 36-bit physical memory addressing, "Physical Address Extension (PAE)".
- Pentium M: updated version of Pentium III's P6 microarchitecture designed from the ground up for mobile computing and first x86 to support micro-op fusion and smart cache.
- Enhanced Pentium M: updated, dual core version of the Pentium M microarchitecture used in the first Intel Core microprocessors, first x86 to have shadow register architecture and speed step technology.
- NetBurst:commonly referred to as P7 although its internal name was P68 (P7 was used for Itanium). Used in Pentium 4, Pentium D, and some Xeon microprocessors. Very long pipeline. The Prescott was a major architectural revision. Later revisions were the first to feature Intel's x86-64 architecture, enhanced branch prediction and trace cache, and eventually support was added for the NX (No eXecute) bit to implement executable-space protection.
- Core: reengineered P6-based microarchitecture used in Intel Core 2 and Xeon microprocessors, built on a 65 nm process, supporting x86-64 level SSE instruction and macro-op fusion and enhanced micro-op fusion with a wider front end and decoder, larger out-of-order core and renamed register, support loop stream detector and large shadow register file.
- Penryn: 45 nm shrink of the Core microarchitecture with larger cache, higher FSB and clock speeds, SSE4.1 instructions, support for XOP and F/SAVE and F/STORE instructions, enhanced register alias table and larger integer register file.
- Nehalem: released November 17, 2008, built on a 45 nm process and used in the Core i7, Core i5, Core i3 microprocessors. Incorporates the memory controller into the CPU die. Added important powerful new instructions, SSE4.2.
- Westmere: 32 nm shrink of the Nehalem microarchitecture with several new features.
- Sandy Bridge:32 nm microarchitecture, released January 9, 2011. Formerly called Gesher but renamed in 2007.[2] First x86 to introduce 256 bit AVX instruction set and implementation of YMM registers.
- Ivy Bridge: successor to Sandy Bridge, using 22 nm process, released in April 2012.
- Haswell: 22 nm microarchitecture, released June 3, 2013. Added a number of new instructions, including AVX2 and FMA.
- Broadwell: 14 nm derivative of the Haswell microarchitecture, released in September 2014. Three-cycle FMUL latency, 64 entry scheduler. Formerly called Rockwell.
- Skylake:14 nm microarchitecture, released August 5, 2015.
- Amber Lake: ultra low power, mobile-only successor to Kaby Lake, using 14+ nm process, released in August 2018 (no architecture changes)[3]
- Whiskey Lake: mobile-only successor to Kaby Lake Refresh, using 14++ nm process, released in August 2018 (has hardware mitigations for some vulnerabilities)
- Skylake-X: high-end desktop, workstation and server microarchitecture, released on June 19, 2017 (HEDT), July 11, 2017 (SP) and August 29, 2017 (W). Introduces support for AVX-512 instruction set.
- Coffee Lake: successor to Kaby Lake, using 14++ nm process, released in October 2017
- Comet Lake: successor to Coffee Lake, using 14++ nm process, released in August 2019[4]
- Cooper Lake: server-only, optimized for AI oriented workloads using bfloat16, with limited availability only to Intel priority partners, using 14++ nm process, released in 2020[5] [6]
- Palm Cove: Originally meant to be successor to Skylake, but cancelled after releasing just one chip. Includes the AVX-512 instruction set.[7] [8]
- Cannon Lake: mobile-only successor of Kaby Lake, using Intel's 10 nm process, first and only microarchitecture to implement the Palm Cove core, released in May 2018. Formerly called Skymont, discontinued in December 2019.[9]
Starting with Cannon Lake, Intel has changed their microarchitecture naming scheme, decoupling core codenames from CPU codenames.[10]
- Sunny Cove:Successor to the Palm Cove core, first non-Atom core to include hardware acceleration for SHA hashing algorithms.[11]
- Ice Lake: low power, mobile-only successor to Whiskey Lake, using 10 nm process, released in September 2019
- Lakefield: mobile-only, Intel's first hybrid processor, released in June 2020. Sunny Cove is used in the singular performance core (P-core) of Lakefield processors.[12] AVX and more advanced instruction sets are disabled due to the E-core not supporting them.
- Ice Lake-SP: server-only successor to Cascade Lake, using 10 nm process, released in April 2021[13]
- Cypress Cove: Backport of Sunny Cove to Intel's 14 nm process
- Willow Cove:Successor to the Sunny Cove core, includes new security features and redesigns the cache subsystem.[17]
- Tiger Lake: successor to Ice Lake, using Intel's 10 nm SuperFin (10SF) process, released in Q4 2020
- Golden Cove:Successor to the Willow Cove core, includes improvements to performance and power efficiency. Also includes new instructions.[18]
- Alder Lake: hybrid processor, succeeds Rocket Lake and Tiger Lake; uses Intel 7 process (previously known as 10ESF),[19] released on November 4, 2021.[20] Golden Cove is used in P-cores of Alder Lake processors.[21]
- Sapphire Rapids: server and workstation-only, successor to Ice Lake-SP, manufactured on Intel 7 process,[22] released on January 10, 2023. Introduces AMX.
- Raptor Cove:A refresh of Golden Cove with increased L2 and L3 caches and core clocks.
- Raptor Lake: successor to Alder Lake with increased cache sizes, core clocks and the number of E-cores, released on October 20, 2022. Manufactured using Intel 7 process. Raptor Cove is used in the P-cores while the E-cores are still implemented using Gracemont microarchitecture.
- Emerald Rapids: successor to Sapphire Rapids, server- and workstation-only. Fifth-generation Xeon Scalable server processors based on the Intel 7 node.
- Bonnell
45 nm, low-power, in-order microarchitecture for use in Atom processors.- Saltwell: 32 nm shrink of the Bonnell microarchitecture.
- Silvermont
22 nm, out-of-order microarchitecture for use in Atom processors, released on May 6, 2013.- Airmont: 14 nm shrink of the Silvermont microarchitecture.
- Goldmont
14 nm Atom microarchitecture iteration after Silvermont but borrows heavily from Skylake processors (e.g., GPU), released in April 2016.[23] [24] - Goldmont Plus: successor to Goldmont microarchitecture, still based on the 14 nm process, released on December 11, 2017.
- Tremont:10 nm Atom microarchitecture iteration after Goldmont Plus.
- Lakefield: mobile-only, Intel's first hybrid processor, released in June 2020. Tremont is used in efficiency cores (E-cores) of Lakefield processors.[12]
- Jasper Lake: Celeron and Pentium Silver desktop and mobile processors, released in Q1 2021.
- Elkhart Lake: embedded processors targeted at IoT, released in Q1 2021.
- Gracemont
Intel 7 process Atom microarchitecture iteration after Tremont. First Atom class core with AVX and AVX2 support.- Alder Lake: hybrid processor, succeeds Rocket Lake and Tiger Lake, released on November 4, 2021. Gracemont is used in E-cores of Alder Lake processors.[21]
- Raptor Lake: a refresh of Alder Lake, released on October 20, 2022.
x86 MIC (Many Integrated Core)
- Larrabee (cancelled 2010)
multi-core in-order x86-64 updated version of P5 microarchitecture, with wide SIMD vector units and texture sampling hardware for use in graphics.
- Xeon Phi
Other microarchitectures
- Merced: original Itanium microarchitecture. Used only in the first Itanium microprocessors.
McKinley: enhanced microarchitecture used in the first two generations of the Itanium 2 microprocessor. Madison is the 130 nm version.
Montecito: enhanced McKinley microarchitecture used in the Itanium 2 9000- and 9100-series of processors. Added dual core, coarse multithreading, and other improvements. The Montvale update added demand-based switching (SpeedStep) and core-level lockstep execution.
Tukwila: enhanced microarchitecture used in the Itanium 9300 series of processors. Added quad core, an integrated memory controller, QuickPath Interconnect, and other improvements e.g. a more active SoEMT.
Poulson: Itanium processor featuring an all-new microarchitecture.[25] 8 cores, decoupling in pipeline and in multithreading. 12-wide issue with partial out-of-order execution.[26]
Kittson: the last Itanium. It has the same microarchitecture as Poulson, but slightly higher clock speed for the top two models.
Miscellaneous
- 4004/4040
- 8008
- 8080/8085
- iAPX 432
- 80960
- 80860
- XScale
a microarchitecture implementing the ARM architecture instruction set.Roadmap
Pentium 4 / Core lines
Atom lines
See also
External links
Notes and References
- Rant, Jon; "Extending the Legacy of Leadership: The 80386 Arrives", Intel Corporation, Special 32-Bit Issue Solutions, November/December 1985, page 2
- Web site: An Update On Our Graphics-related Programs . May 25, 2010.
- News: Spectre and Meltdown in Hardware: Intel Clarifies Whiskey Lake and Amber Lake. Cutress. Ian. AnandTech. 2018-09-02.
- Web site: Intel Expands 10th Gen Intel Core Mobile Processor Family, Offering Double Digit Performance Gains. Intel Newsroom. en-US. 2019-08-21.
- Web site: Intel's Cooper Lake Plans: The Chip That Wasn't Meant to Exist, Fades Away. Cutress. Ian. AnandTech. 2020-03-18.
- Web site: Intel Cooper Lake Rationalized Still Launching 1H 2020. Kennedy. Patrick. 2020-03-16. ServeTheHome. en-US. 2020-03-18.
- Web site: Cutress. Ian. Intel's 10nm Cannon Lake and Core i3-8121U Deep Dive Review. 2021-04-06. www.anandtech.com.
- Web site: Palm Cove - Microarchitectures - Intel - WikiChip. en.wikichip.org. en. 2020-01-05.
- Web site: Intel Fires 10nm Cannon Lake NUC Into Oblivion. Zhiye. Liu. October 31, 2019. Tom's Hardware.
- Web site: Intel Reveals 10nm Sunny Cove Core, a New Core Roadmap, and Teases Ice Lake Chips. David. Schor. December 23, 2018. WikiChip Fuse.
- Web site: Sunny Cove - Microarchitectures - Intel. WikiChip Chips & Semi.
- Web site: The Intel Lakefield Deep Dive: Everything To Know About the First x86 Hybrid CPU. Ian. Cutress. July 2, 2020. AnandTech.
- Web site: New Intel Processors Accelerate 5G Network Transformation . Newsroom.intel.com . 2021-04-06 . 2022-05-08.
- Web site: Intel octet Lake (14nm) Review: Core i911900K, Core i7-11700K, and Core i5-11600K. Ian. Cutress. March 30, 2021. AnandTech.
- Web site: Intel Confirms Rocket Lake on Desktop for Q1 2021, with PCIe 4.0. AnandTech. 2020-10-07.
- Web site: Intel's 11th Gen Core Rocket Lake Detailed: Ice Lake Core with Xe Graphics. Ian. Cutress. October 29, 2020. AnandTech.
- Web site: Willow Cove - Microarchitectures - Intel. WikiChip Chips & Semi.
- Web site: Cutress. Dr Ian. Intel Alder Lake: Confirmed x86 Hybrid with Golden Cove and Gracemont for 2021. 2021-04-10. www.anandtech.com.
- Web site: Cutress. Dr Ian. Intel's Process Roadmap to 2025: with 4nm, 3nm, 20A and 18A?!. 2021-07-27. www.anandtech.com.
- Web site: Intel Updates ISA Manual: New Instructions for Alder Lake, also BF16 for Sapphire Rapids. Ian. Cutress. April 1, 2020. AnandTech.
- Web site: Intel Architecture Day 2021: Alder Lake, Golden Cove, and Gracemont Detailed. 2021-08-19. Cutress. Ian. Frumusanu. Andrei. AnandTech. en. 2021-08-25.
- Web site: Pirzada. Usman. 2020-10-07. Intel Sapphire Rapids: MCM Design, 56 Golden Cove Cores, 64GB HBM2 On-Board Memory, Massive IPC Improvement and 400 Watt TDP. 2021-04-06. Wccftech. en-US.
- Web site: Intel Software Development Emulator.
- Web site: "Goldmont"- the sequel to Silvermont Atom?. 23 July 2013 . 2020-03-02.
- Web site: Intel Plans to change Itanium Micro-Architecture . June 19, 2007 . Anton Shilov . X-bit Labs . 2007-10-05 . dead . https://web.archive.org/web/20071005082838/http://www.xbitlabs.com/news/cpu/display/20070619230827.html . October 5, 2007 .
- Web site: David Kanter . Poulson: The Future of Itanium Servers . Realworldtech.com . 2011-05-18 . 2022-05-08.
- Web site: Intel CEO: Latest Platforms, Processors Form New Foundations For Digital Entertainment And Wireless Computing.
- Web site: Intel Unveils World's Best Processor.
- Web site: Intel Unveils 16 Next-Generation Processors, Including First Notebook Chips Built on 45nm Technology.
- Web site: ARK Your source for information on Intel products. 2013-05-30. Intel. https://web.archive.org/web/20130530074015/http://ark.intel.com/. 2013-05-30. unfit. 2013-05-30.
- Web site: Intel Launches Fastest Processor on the Planet. www.intel.com.
- Web site: Intel 32nm Technology. Mark Bohr (Intel Senior Fellow, Logic Technology Development). 2009-02-10.
- Web site: Intel - Data Center Solutions, IoT, and PC Innovation. Intel.
- Web site: Intel Sandy Bridge chip coming January 5.
- Web site: Intel Ivy Bridge CPU Range Complete by Next Year. Sebastian. Pop. 9 April 2012 .
- Web site: Ivy Bridge-E delayed until second half of 2013. 19 March 2012 .
- Web site: Ivy Bridge EP and EX coming up in a year's time - the multi-socket platform heaven. 9 April 2012.
- Web site: Leaked specifications of Haswell GT1/GT2/GT3 IGP . Tech News Pedia . 2012-05-20 . 2014-02-25 . https://web.archive.org/web/20120919234611/http://technewspedia.com/leaked-specifications-of-haswell-gt1gt2gt3-igp/ . 2012-09-19 . dead .
- Web site: Intel to release 22-core Xeon E5 v4 "Broadwell-EP" late in 2015 - KitGuru. www.kitguru.net.
- Web site: The wait for Skylake is almost over, first desktop chips likely to hit August 5. 6 July 2015.
- Web site: Mujtaba. Hassan. Intel X299 HEDT Platform For Skylake X and Kaby Lake X Processors Announcement on 30th May, Launch on 26th June – Reviews Go Live on 16th June. wccftech.com. 25 April 2017 . 2 May 2017.
- Web site: Windeck. Christof. Intel Xeon Gold, Platinum: Skylake-SP für Server "Mitte Sommer". heise.de. 30 April 2017 . 2 May 2017.
- Web site: Coffee Lake: Intels 6C-Prozessoren erfordern neue Boards - Golem.de.
- Web site: Comet Lake-U: 15-Watt-CPUs für Notebook-CPUs mit sechs Kernen. online. heise. c't Magazin. 21 August 2019 . de. 2019-08-21.
- Web site: Intel's 11th Gen Processor (Rocket Lake-S) Architecture Detailed. 2020-10-29. Intel Newsroom. en-US.
- Web site: Intel "Rocket Lake-S": 11. Core-i-Generation mit mehr Rechenleistung pro Takt. 2020-10-29. heise online. 29 October 2020 . de.
- Web site: Intel unveils a new architecture for 2019: Sunny Cove. Bright. Peter. 2018-12-12. Ars Technica. en-us. 2018-12-12.
- Web site: Ice Lake Processor Family. Intel. en. 2018-12-12.
- Web site: Server-CPUs: Cooper Lake und Ice Lake nutzen gleichen Sockel - Golem.de. www.golem.de. de-DE. 2019-04-23.
- News: Intel Launches Lakefield Hybrid Processors: Uncompromised PC Experiences for Innovative Form-Factors . 2020-06-10 . TechPowerUp . 2024-10-04.
- Web site: Intels neuer Anlauf mit "Sunny Cove", Gen-11-GPU und Chiplets. 2018-12-12. heise online. 12 December 2018 . de.
- Web site: Intel Innovation 2023: Empowering Developers to Bring AI Everywhere .
- News: Intel Client & Server CPU Roadmap Updates: Meteor Lake In 2023, 20A & 18A Powered Xeons & Core Chips Beyond 2024. 2022-02-17. Wccftech. 17 February 2022. Mujtaba . Hassan .
- Web site: Intel's Silvermont Architecture Revealed: Getting Serious About Mobile. AnandTech.
- Web site: Hiroshige . Goto . Intel Products for Tablets & SmartPhones . 標準 . Impress . dead . https://web.archive.org/web/20131114063059/http://pc.watch.impress.co.jp/video/pcw/docs/569/575/p2.pdf . 2013-11-14 .
- Web site: Import Data and Price of anniedale . 2015-09-23 . https://web.archive.org/web/20150517225042/https://www.zauba.com/import-anniedale-hs-code.html . 2015-05-17 . dead .
- Web site: アウトオブオーダーと最新プロセスを採用する今後のAtom . 30 November 2012.
- Web site: Products (Formerly Braswell). Intel ARK (Product Specs). 5 April 2016.
- News: Smith. Ryan. Cutress. Ian. Intel's Changing Future: Smartphone SoCs Broxton & SoFIA Officially Canceled. 29 June 2016. Anandtech.com. 29 April 2016.
- Web site: Products (Formerly Apollo Lake). Intel ARK (Product Specs). 6 January 2016.
- Web site: Products (Formerly Denverton). Intel ARK (Product Specs). 6 January 2016.
- Web site: Intel Launches New Pentium Silver and Celeron Atom Processors: Gemini Lake is Here. Anton. Shilov. December 12, 2017. AnandTech.
- Web site: Products (Formerly Gemini Lake). Intel ARK (Product Specs). 11 December 2017.
- Web site: Products (Formerly Gemini Lake Refresh). Intel ARK (Product Specs). 4 November 2019.
- Web site: Intel's new Atom Microarchitecture: The Tremont Core in Lakefield. Cutress. Dr Ian. AnandTech. 2019-11-17.
- Web site: Products formerly Lakefield. Intel ARK (Product Specs).
- Web site: Products formerly Elkhart Lake. Intel ARK (Product Specs).
- Web site: Products formerly Jasper Lake.
- Web site: Products formerly Parker Ridge .
- Web site: Products formerly Snow Ridge. Intel ARK (Product Specs).
- Web site: Intel Architecture Day 2021: Alder Lake, Golden Cove, and Gracemont Detailed.
- Web site: Products formerly Alder Lake. Intel ARK (Product Specs).
- Web site: Intel Introduces New Intel Processor for Upcoming Essential Segment .
- Web site: Products formerly Alder Lake-N .