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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 IIIPentium III Pentium III Pentium III Pentium IIIPentium III Pentium III
  Development name KatmaiKatmai Coppermine Coppermine CoppermineCoppermine Coppermine-T
  Construction size (nm) 250250 180 180 180180 180
  Transistor count (millions) 9.5 19.5 1 28.1 28.1 28.128.1 28.1
  Number of processor cores1111111
  Registers - ALU (bits) 3232 32 32 3232 32
  Registers - FPU (bits) 80 (128 Ext)80 (128 Ext) 80 (128 Ext) 80 (128 Ext) 80 (128 Ext)80 (128 Ext) 80 (128 Ext)
  Connection Type Slot 1Slot 1 Slot 1 Slot 1 Socket 370Socket 370 Socket 370
 Model Details
  Name / Core speed (MHz) 450533 (B) 550 (E) 533 (EB) 500 (E)533 (EB) 866
500600 (B) 600 (E) 600 (EB) 550 (E)600 (EB) 933
550 700 667 (B) 600 (E)667 (B) 1000
600 750 733 (B) 650733 (B) 1133
800 800 (B) 700800 (B)
850 866 (B) 750866 (B)
900933 (B)800933 (B)
9501000 (B)8501000 (B)
10001133 (B)9001133 (B)
950
1000
1100
 FSB Details
  CLK speed (MHz)100133100133100133133
  Data transfer rate (MHz)100133100133100133133
  Total bus width (bits)64646464646464
  Maximum bandwidth (GB/sec)0.801.070.801.070.801.071.07
 Cache details
  L1 amount (KiB) 3232 32 32 3232 32
  L1 location on-dieon-die on-die on-die on-dieon-die on-die
  L1 instruction cache size (KiB) 1616 16 16 1616 16
  L2 data cache size (KiB) 1616 16 16 1616 16
  L2 amount (KiB) 512512 256 256 256256 256
  L2 location CPU PCB 2CPU PCB 2 on-die on-die on-dieon-die on-die
  L2 bus width (bits) 6464 256 256 256256 256
 Extension support
  MMXYesYesYesYesYesYesYes
  3DNow!NoNoNoNoNoNoNo
  SSEYesYesYesYesYesYesYes
  Enhanced 3DNow!NoNoNoNoNoNoNo
  3DNow! ProfessionalNoNoNoNoNoNoNo
  SSE2NoNoNoNoNoNoNo
  SSE3NoNoNoNoNoNoNo
  SSSE3NoNoNoNoNoNoNo
 Additional Features
  Intel 64 NoNo No No NoNo No
  AMD64 NoNo No No NoNo No
  HyperThreading NoNo No No NoNo No
  NX Bit NoNo No No NoNo No
  Virtualization Technology NoNo No No NoNo No
  
 Core details Pentium IIIPentium III              
  Development name TualatinTualatin
  Construction size (nm) 180180
  Transistor count (millions) 4444
  Number of processor cores11
  Registers - ALU (bits) 3232
  Registers - FPU (bits) 80 (128 Ext)80 (128 Ext)
  Connection Type Socket 370Socket 370
 Model Details
  Name / Core speed (MHz) 10001133 (S)
11331266 (S)
12001400 (S)
1333
1400
 FSB Details
  CLK speed (MHz)133133
  Data transfer rate (MHz)133133
  Total bus width (bits)6464
  Maximum bandwidth (GB/sec)1.071.07
 Cache details
  L1 amount (KiB) 3232
  L1 location on-dieon-die
  L1 instruction cache size (KiB) 1616
  L2 data cache size (KiB) 1616
  L2 amount (KiB) 256512
  L2 location on-dieon-die
  L2 bus width (bits) 256256
 Extension support
  MMXYesYes
  3DNow!NoNo
  SSEYesYes
  Enhanced 3DNow!NoNo
  3DNow! ProfessionalNoNo
  SSE2NoNo
  SSE3NoNo
  SSSE3NoNo
 Additional Features
  Intel 64 NoNo
  AMD64 NoNo
  HyperThreading NoNo
  NX Bit NoNo
  Virtualization Technology NoNo
  

 Notes
  1 - Figure does not include off-die L2 cache chips
  2 - L2 cache runs at 50% CPU core speed
AMD & Intel CPU Specifications - N D Evanson 2008