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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
808x
80x86
Pentium
Pentium Pro
Pentium II
Pentium III
Pentium 4
Pentium D
Celeron Core 2 Duo
Core 2 Quad

 Core details Pentium ProPentium Pro Pentium Pro Pentium Pro Pentium ProPentium Pro
  Development name P6P6 P6 P6 P6P6
  Construction size (nm) 1 500 + 500350 + 350 350 + 350 350 + 350 350 + 350350 + 350
  Transistor count (millions) 2 5.5 + 15.55.5 + 15.5 5.5 + 31 5.5 + 15.5 5.5 + 315.5 + 62
  Number of processor cores111111
  Registers - ALU (bits) 3232 32 32 3232
  Registers - FPU (bits) 8080 80 80 8080
  Connection Type Socket 8Socket 8 Socket 8 Socket 8 Socket 8Socket 8
 Model Details
  Name / Core speed (MHz) 150180 166 200 200200
 FSB Details
  CLK speed (MHz)606066666666
  Data transfer rate (MHz)606066666666
  Total bus width (bits)646464646464
  Maximum bandwidth (GB/sec)0.480.480.530.530.530.53
 Cache details
  L1 amount (KiB) 1616 16 16 1616
  L1 location on-dieon-die on-die on-die on-dieon-die
  L1 instruction cache size (KiB) 88 8 8 88
  L1 data cache size (KiB) 88 8 8 88
  L2 amount (KiB) 256256 512 256 5121024
  L2 location 3 CPU PCBCPU PCB CPU PCB CPU PCB CPU PCBCPU PCB
  L2 bus width (bits) 6464 64 64 6464
 Extension support
  MMXNoNoNoNoNoNo
  3DNow!NoNoNoNoNoNo
  SSENoNoNoNoNoNo
  Enhanced 3DNow!NoNoNoNoNoNo
  3DNow! ProfessionalNoNoNoNoNoNo
  SSE2NoNoNoNoNoNo
  SSE3NoNoNoNoNoNo
  SSSE3NoNoNoNoNoNo
 Additional Features
  Intel 64 NoNo No No NoNo
  AMD64 NoNo No No NoNo
  HyperThreading NoNo No No NoNo
  NX Bit NoNo No No NoNo
  Virtualization Technology NoNo No No NoNo
 


 Notes
  1 - First figure is P6 core, second figure is L2 cache die
  2 - First figure is P6 core, second figure is L2 cache die
  3 - Each P6 and L2 cache chip are on the same PCB package; L2 cache runs at P6 core speed
AMD & Intel CPU Specifications - N D Evanson 2008