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Published byJewel Lloyd Modified over 8 years ago
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I7’s Core
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Intel’s Core i7
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Content Overview Socket SSE 4.2 Instruction Set Cores –Intel Quickpath Interconnect –Nehalem - new micro-architecture –EP, EX socket –3 to 2 chip solution
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Over View Released November 2008 CPU clock Cache Turbo Boost
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Socket Known as the LGA 1366 or Socket B Contact points
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Instruction Set Backwards support Added SSE 4.2 Instruction set –CRC32 –PCMPESTRI –PCMPESTRM –PCMPISTRI –PCMPISTRM –PCMPGTQ –POPCNT
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Core: Over View 4 Physical, 8 logical from H/T 3 channel memory
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Core: Intel Quickpath Interconnect Intel X58 Arch Replaced front side bus Max width: 20 bit Max bandwidth: 16GB/s Unidirectional I7 920, 940 –16 bit and 4.8 GT/s = 19.2 GB/s I7 965XE –16 bit and 6.4 GT/s = 25.6GB/s
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Core: Nehalem –45nm architecture –Scalable performance for from one-to-16 (or more) threads and from one-to-eight (or more) cores. –Power usage
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Core: EP & EX EP is for 2 sockets (the base layout) EX is for 4 and 8 sockets –Is the EP duplicated with more interconnects
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Core: 3 to 2 chip solution Named Westmere Moved GPU functionality from the Northbridge onto the CPU Enables full disk encryption
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Other Fun Info
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More Extra Info
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References Crysis Benchmark: http://www.pcgameshardware.com/aid,665558/Intel-Core-i7-Nehalem-CPUs- reviewed/Reviews/?page=5 Pin set: Intel Core i7 Extreme Edition and Intel Core i7 Processor and LGA1366 Socket http://download.intel.com/design/processor/designex/320837.pdf Intel Overclock: http://www.engadget.com/2008/12/03/intels-core-i7-extreme-edition-965-overclocked-to-5-5ghz/ Intel Nehalem Arch http://download.intel.com/pressroom/kits/events/idffall_2008/SSmith_briefing_roadmap.pdf 2 vs 3 chip solution http://www.neoseeker.com/Articles/Hardware/Reviews/intel_32nm/4.html Intel i7 homepage http://www.intel.com/products/processor/corei7/index.htm Intel Quickpath http://www.intel.com/technology/quickpath/introduction.pdf Intel Turboboost http://www.intel.com/technology/turboboost/index.htm Nehalem Arch http://www.intel.com/technology/architecture-silicon/next-gen/whitepaper.pdf
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