I7

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I7s Core

• Jon Ross
• Philip Cosgrave

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Intels Core i7

• Jon Ross
• Philip Cosgrave

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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-C
  ore-i7-Nehalem-CPUs-reviewed/Reviews/?page5
• Pin set
• Intel Core i7 Extreme Edition and Intel Core i7
  Processor and LGA1366 Socket
• http//download.intel.com/design/processor/design
  ex/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/i
  dffall_2008/SSmith_briefing_roadmap.pdf
• 2 vs 3 chip solution
• http//www.neoseeker.com/Articles/Hardware/Review
  s/intel_32nm/4.html
• Intel i7 homepage
• http//www.intel.com/products/processor/corei7/in
  dex.htm
• Intel Quickpath
• http//www.intel.com/technology/quickpath/introdu
  ction.pdf
• Intel Turboboost
• http//www.intel.com/technology/turboboost/index.
  htm
• Nehalem Arch
• http//www.intel.com/technology/architecture-sili
  con/next-gen/whitepaper.pdf