Intel Core i7
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| Produced | From 2008 |
|---|---|
| Common manufacturer(s) |
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| Max. CPU clock rate | 1.6 GHz to 3.46 GHz |
| QPI speeds | 4.8 GT/s to 6.4 GT/s |
| Min. feature size | 45 nm to 32 nm |
| Instruction set | x86, x86-64, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AES-NI (Gulftown only) |
| Microarchitecture | Nehalem, Sandy Bridge |
| Cores | 2-6 |
| Socket(s) | |
| Core name(s) |
|
Intel Core i7 is an Intel brand name for several families of desktop and laptop 64-bit x86-64 processors using the Nehalem, Westmere, and Sandy Bridge microarchitectures. The Core i7 brand is targeted at the business and high-end consumer markets for both desktop and laptop computers, and is distinguished from the Core i3 (entry-level consumer), Core i5 (mainstream consumer) and Xeon (server) brands.
In each of the first three microarchitecture generations of the brand, Core i7 has family members using two distinct system-level architectures, and therefore two distinct sockets.[citation needed] In each generation, the highest-performing Core i7 processors use the same socket and QPI-based architecture as the low-end Xeon processors of that generation, while lower-performing Core i7 processors use the same socket and PCIe/DMI/FDI architecture as the Core i5.
"Core i7" is a successor to the Intel Core 2 brand.[1][2][3][4] The Core i7 identifier was first applied to the initial family of processors[5][6] codenamed Bloomfield introduced in 2008. In 2009 the name was applied to Lynnfield and Clarksfield models.[7] Prior to 2010, all models were quad-core processors. In 2010, the name was applied to dual-core Arrandale models, and the Gulftown Core i7-980X Extreme processor which has six hyperthreaded cores. In January 2011, Intel released a line of Sandy Bridge based chips under the Core i7 brand.
Intel representatives stated that the moniker Core i7 is meant to help consumers decide which processor to purchase as the newer Nehalem-based products are released in the future.[8] The name continues the use of the Intel Core brand.[9] The first Core i7 was officially launched on November 17, 2008.[10]
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[edit] Processor cores
The initial Core i7 processors released were codenamed Bloomfield, branded as Core i7-9xx along with their Xeon 3500-series counterparts. As of 2009, they are Intel's high-end Desktop processors, sharing the Socket 1366 platform with the single and dual-processor server processors.
Lynnfield is the second processor sold under the Core i7 brand, while at the same time being sold as Core i5. Unlike Bloomfield, it does not have a QPI interface but directly connects to a southbridge using a 2.5 GT/s Direct Media Interface and to other devices using PCI Express links in its Socket 1156. Core i7 processors based on Lynnfield have Hyper-Threading, which is disabled in Lynnfield-based Core i5 processors.
Clarksfield is the mobile version of Lynnfield and available under the Core i7 Mobile brand, as part of the Calpella platform. It was released at the Intel Developer Forum on September 23, 2009.[11]
The second mobile Core i7 processor family is Arrandale, sold as the Core i7-6xx processors and featuring an integrated graphics processing unit but only two processor cores, half of Clarksfield. Clarkdale, the desktop version of Arrandale, will not be sold as Core i7, but only as Core i3 and Core i5. All support Intel's Hyper Threading (HT).
Gulftown is the die shrink of the original Core i7, featuring six cores, 32 nm process, Hyper-Threading (for a total of 12 logical threads), 12 MB of cache, Turbo Boost and Intel QuickPath connection bus.[12][13][14]
Sandy Bridge is the second-generation Intel Core i7 series processor, and is based on microarchitecture also named "Sandy Bridge". It was released on January 9, 2011 at the end of CES 2011.
[edit] Specifications
| Architecture | Processor name |
Logo | Brand name | Cores | L3 Cache | Socket | TDP | Process | Busses | Release Date |
|---|---|---|---|---|---|---|---|---|---|---|
| Sandy Bridge | N/A |  |
Core i7-2920XM Extreme Edition | 4 | 8 MB | FCPGA988 | 55W | 32 nm | DMI 2.0, PCI-e, FDI, 2 × DDR3 |
Jan 2011 |
 |
Core i7-2820QM | FCPGA988 FCBGA1224 |
45W | |||||||
| Core i7-2xxxQx | 6 MB | |||||||||
| Core i7-2xxx | 8 MB | LGA 1155 | 95W | |||||||
| Core i7-2xxxS | 65W | |||||||||
| Westmere | Gulftown |  |
Core i7-9xxX Extreme Edition | 6 | 12 MB | LGA 1366 | 130 W | 32 nm | QPI, 3 × DDR3 |
Mar 2010 |
 |
Core i7-970 | Jul 2010 | ||||||||
| Nehalem | Bloomfield | |
Core i7-9xx Extreme Edition | 4 | 8 MB | 45 nm | Nov 2008 | |||
|
Core i7-9xx | |||||||||
| Lynnfield | Core i7-8xx | LGA 1156 | 95 W | DMI, PCI-e, 2 × DDR3 |
Sep 2009 | |||||
| Core i7-8xxS | 82 W | Jan 2010 | ||||||||
| Clarksfield | |
Core i7-9xxXM Extreme Edition | µPGA-988 | 55 W | Sep 2009 | |||||
|
Core i7-8xxQM | 45 W | ||||||||
| Core i7-7xxQM | 6 MB | |||||||||
| Westmere | Arrandale | Core i7-6xxM | 2 | 4 MB | 35 W | 32 nm | DMI, PCI-e, FDI, 2 × DDR3 |
Jan 2010 | ||
| Core i7-6xxLM | 25 W | |||||||||
| Core i7-6xxUM | 18 W |
[edit] See also
[edit] References
- ^ Intel Corporate (2008-08-11). "Intel Details Upcoming New Processor Generations". Press release. http://www.intel.com/pressroom/archive/releases/20080811comp.htm.
- ^ "Intel Core i7-920 Processor (8M Cache, 2.66 GHz, 4.80 GT/s Intel QPI)". Intel. http://ark.intel.com/cpu.aspx?groupId=37147. Retrieved 2008-12-06.
- ^ "Intel Core i7-940 Processor (8M Cache, 2.93 GHz, 4.80 GT/s Intel QPI)". Intel. http://ark.intel.com/cpu.aspx?groupId=37148. Retrieved 2008-12-06.
- ^ "Intel Core i7-965 Processor Extreme Edition (8M Cache, 3.20 GHz, 6.40 GT/s Intel QPI)". Intel. http://ark.intel.com/cpu.aspx?groupId=37149. Retrieved 2008-12-06.
- ^ "Meet the Bloggers". Intel Corporation. http://blogs.intel.com/technology/authors#bill_calder. Retrieved 2008-08-11.
- ^ "Getting to the Core---Intel's new flagship client brand". Intel Corporation. http://blogs.intel.com/technology/2008/08/getting_to_the_core_intels_new.php. Retrieved 2008-08-11.
- ^ "[Intel Roadmap update] Nehalem to enter mainstream market". ExpReview. 2008-06-10. http://en.expreview.com/2008/06/10/intel-roadmap-update-nehalem-to-enter-mainstream-market/. Retrieved 2008-08-11.
- ^ http://blogs.intel.com/technology/2008/08/getting_to_the_core_intels_new.php
- ^ "IDF Fall 2008: Intel un-retires Craig Barrett, AMD sets up anti-IDF camp". Tigervision Media. 2008-08-11. http://www.tgdaily.com/content/view/38828/118/. Retrieved 2008-08-11.
- ^ Modine, Austin (2008-11-18). "Intel celebrates Core i7 launch with Dell and Gateway". The Register. http://www.theregister.co.uk/2008/11/18/intel_core_i7_launch_event/. Retrieved 2008-12-06.
- ^ Intel releases fastest laptop chips to date
- ^ Gulftown i7 980X specs
- ^ Intel roadmap for desktop CPU in 2010
- ^ News on PCWorld.fr, refearing PCOnline
[edit] External links
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Wikimedia Commons has media related to: Intel Core i7 |
- Intel Core i7 web page
- Intel Core i7 Extreme Edition web page
- Intel Core i7 Processors: Nehalem and X58 Have Arrived - HotHardware Performance Evaluation
- Intel Core i7-975 XE and Core i7-950 Review: Lineup Update and New Stepping
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