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AMD - Desktop CPUs INTEL - Desktop CPUs
K5
K6
Athlon
Athlon XP
Athlon 64
Athlon 64 X2
Athlon 64 FX
Duron
Sempron
Phenom X3
Phenom X4
Phenom II X2
Phenom II X3
Phenom II X4
808x
80x86
Pentium
Pentium Pro
Pentium II
Pentium III
Pentium 4
Pentium D
Celeron Core 2 Duo
Core 2 Quad
Core i7

 Core details Core i7 Core i7
Extreme Edition
  Development name Bloomfield Bloomfield
  Construction size (nm) 45 45
  Transistor count (millions) 731 731
  Number of processor cores 4 4
  Registers - ALU (bits) 64 64
  Registers - FPU (bits) 80 (128 Ext) 80 (128 Ext)
  Connection Type LGA 1366 LGA 1366
  Maximum TDP (watts)130130
  
 Model Details
  Name / Core speed (GHz) 920 / 2.66 965 / 3.20
940 / 2.93 975 / 3.33
950 / 3.03
  
 QuickPath Interconnect Details
  CLK speed (MHz) 133 133
  Data transfer rate (MHz) 4800 6400
  Total bus width (bits) 32 32
  Maximum bandwidth (GB/sec) 19.2 25.6
  
 Integrated Memory Controller Details
  Controller width (bits) 3 x 64 3 x 64
  Max DRAM CLK speed (MHz) 667 800
  Controller type DDR3 DDR3
  Maximum bandwidth (GB/sec) 32.0 38.4
  
 Cache details
  L1 amount (KiB) 64 64
  L1 location on-die on-die
  L1 instruction cache size (KiB) 32 32
  L1 data cache size (KiB) 32 32
  L2 amount (KiB) 256 x 4 256 x 4
  L2 location on-die on-die
  L2 bus width (bits) ? ?
  L3 amount (KiB) 8192 1 8192
  L3 location on-die on-die
  L3 bus width (bits) ? ?
  
 Extension support
  MMX Yes Yes
  3DNow! No No
  SSE Yes Yes
  Enhanced 3DNow! No No
  3DNow! Professional No No
  SSE2 Yes Yes
  SSE3 Yes Yes
  SSSE3 Yes Yes
  SSE4 Yes (4.1, 4.2) Yes (4.1, 4.2)
  
 Additional Features
  Intel 64 Yes Yes
  AMD64 No No
  HyperThreading No Yes
  NX Bit Yes Yes
  Virtualization Technology Yes Yes
  


 Notes
  1  -  L3 cache runs at 2.13 GHz
AMD & Intel CPU Specifications - N D Evanson 2008