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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 2 QuadCore 2 Extreme Core 2 Extreme Core 2 QuadCore 2 Quad Core 2 QuadCore 2 Extreme Core 2 Extreme Core 2 Extreme
  Development name KentsfieldKentsfield XE Kentsfield XE YorkfieldYorkfield YorkfieldYorkfield XE Yorkfield XE Yorkfield XE
  Construction size (nm) 6565 65 4545 4545 45 45
  Transistor count (millions) 582582 582 ~ 480?~ 480? 820820 820 820
  Number of processor cores444444444
  Registers - ALU (bits) 6464 64 6464 6464 64 64
  Registers - FPU (bits) 80 (128 Ext)80 (128 Ext) 80 (128 Ext) 80 (128 Ext)80 (128 Ext) 80 (128 Ext)80 (128 Ext) 80 (128 Ext) 80 (128 Ext)
  Connection Type LGA 775LGA 775 LGA 775 LGA 775LGA 775 LGA 775LGA 775 LGA 775 LGA 771
  Maximum TDP (watts)10513013095 / 65 (S)95 / 65 (S)95 / 65 (S)130136150
  
 Model Details
  Name / Core speed (GHz) Q6600 / 2.40QX6700 / 2.67 QX6850 / 3.00 Q8200 / 2.33Q9300 / 2.5 Q9450 / 2.67QX9650 / 3.0 QX9770 / 3.2 QX9775 / 3.2
Q6700 / 2.67QX6800 / 2.93 Q8200S / 2.33Q9400 / 2.67 Q9550 / 2.83
  Q8300 / 2.5Q9400S / 2.67Q9550S / 2.83
 Q9650 / 3.0
 
 FSB Details
  CLK speed (MHz)266266333333333333333400400
  Data transfer rate (MHz)106610661333133313331333133316001600
  Total bus width (bits)646464646464646464
  Maximum bandwidth (GB/sec)8.538.5310.6710.6710.6710.6710.6712.8012.80
  
 Cache details
  L1 amount (KiB) 64 x 464 x 4 64 x 4 64 x 464 x 4 64 x 464 x 4 64 x 4 64 x 4
  L1 location on-dieon-die on-die on-dieon-die on-dieon-die on-die on-die
  L1 instruction cache size (KiB) 32 x 432 x 4 32 x 4 32 x 432 x 4 32 x 432 x 4 32 x 4 32 x 4
  L1 data cache size (KiB) 32 x 432 x 4 32 x 4 32 x 432 x 4 32 x 432 x 4 32 x 4 32 x 4
  L2 amount (KiB) 4096 x 24096 x 2 4096 x 2 2048 x 23072 x 2 6144 x 26144 x 2 6144 x 2 6144 x 2
  L2 location on-dieon-die on-die on-dieon-die on-dieon-die on-die on-die
  L2 bus width (bits) 256256 256 256256 256256 256 256
  
 Extension support
  MMXYesYesYesYesYesYesYesYesYes
  3DNow!NoNoNoNoNoNoNoNoNo
  SSEYesYesYesYesYesYesYesYesYes
  Enhanced 3DNow!NoNoNoNoNoNoNoNoNo
  3DNow! ProfessionalNoNoNoNoNoNoNoNoNo
  SSE2YesYesYesYesYesYesYesYesYes
  SSE3YesYesYesYesYesYesYesYesYes
  SSSE3YesYesYesYesYesYesYesYesYes
  SSE4NoNoNoNoYes (4.1)Yes (4.1)Yes (4.1)Yes (4.1)Yes (4.1)
  
 Additional Features
  Intel 64 YesYes Yes YesYes YesYes Yes Yes
  AMD64 NoNo No NoNo NoNo No No
  HyperThreading NoNo No NoNo NoNo No No
  NX Bit YesYes Yes YesYes YesYes Yes Yes
  Virtualization Technology YesYes Yes No / Yes (8300)Yes YesYes Yes Yes
  


 Notes
AMD & Intel CPU Specifications - N D Evanson 2008