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AMD - Desktop CPUs INTEL - Desktop CPUs
K5
K6
Athlon
Athlon XP
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Athlon 64 X2
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Sempron
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Phenom II X2
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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 Pentium 4Pentium 4 Pentium 4 Pentium 4 / Pentium 4 HT Pentium 4 HTPentium 4 Pentium 4 Pentium 4
  Development name WillametteNorthwood Northwood Northwood NorthwoodPrescott Prescott Prescott
  Construction size (nm) 180130 130 130 13090 90 90
  Transistor count (millions) 4255 55 55 55125 125 125
  Number of processor cores11111111
  Registers - ALU (bits) 3232 32 32 3232 32 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) 80 (128 Ext)
  Connection Type Socket 423 / 478Socket 478 Socket 478 Socket 478 Socket 478Socket 478 LGA 775 LGA 775
 Model Details
  Name / Core speed (GHz) 1.31.6 (A) 2.26 3.07 2.4 (C)2.26 (A) 505 / 2.67 505 (J) / 2.67
1.41.8 (A) 2.40 (B) 2.6 (C)2.40 (A) 515 / 2.93 515 (J) / 2.93
1.52.0 (A) 2.53 2.8 (C)2.66 (A) 519 / 3.07 519 (J) / 3.07
1.62.2 2.66 3.02.80 (A)
1.72.4 2.80 (B) 3.22.80 (A)
1.82.5 3.4
1.92.6
2.02.8
 FSB Details
  CLK speed (MHz)100100133133200133133133
  Data transfer rate (MHz)400400533533800533533533
  Total bus width (bits)6464646464646464
  Maximum bandwidth (GB/sec)3.203.204.274.276.404.274.274.27
 Cache details
  L1 amount (KiB) ~ 20~ 20 ~ 20 ~ 20 ~ 20~ 28 ~ 28 ~ 28
  L1 location on-dieon-die on-die on-die on-dieon-die on-die on-die
  L1 trace cache size (KiB) ~ 12~ 12 ~ 12 ~ 12 ~ 12~ 12 ~ 12 ~ 12
  L2 data cache size (KiB) 88 8 8 816 16 16
  L2 amount (KiB) 256512 512 512 5121024 1024 1024
  L2 location on-dieon-die on-die on-die on-dieon-die on-die on-die
  L2 bus width (bits) 256256 256 256 2561024 1024 1024
 Extension support
  MMXYesYesYesYesYesYesYesYes
  3DNow!NoNoNoNoNoNoNoNo
  SSEYesYesYesYesYesYesYesYes
  Enhanced 3DNow!NoNoNoNoNoNoNoNo
  3DNow! ProfessionalNoNoNoNoNoNoNoNo
  SSE2YesYesYesYesYesYesYesYes
  SSE3NoNoNoNoNoYesYesYes
  SSSE3NoNoNoNoNoNoNoNo
 Additional Features
  Intel 64 NoNo No No NoNo No No
  AMD64 NoNo No No NoNo No No
  HyperThreading NoNo No Yes YesNo No No
  NX Bit NoNo No No NoNo No Yes
  Virtualization Technology NoNo No No NoNo No No
  
 Core details     Pentium 4      Pentium 4 HT   Pentium 4 HT Pentium 4 HT   Pentium 4 HTPentium 4 HT Pentium 4 HT Pentium 4 HT
  Development name PrescottPrescott Prescott Prescott PrescottPrescott Prescott Prescott 2M
  Construction size (nm) 9090 90 90 9090 90 90
  Transistor count (millions) 125125 125 125 125125 125 164
  Number of processor cores11111111
  Registers - ALU (bits) 3232 32 32 3232 32 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) 80 (128 Ext)
  Connection Type LGA 775Socket 478 LGA 775 LGA 775 LGA 775LGA 775 LGA 775 LGA 775
 Model Details
  Name / Core speed (GHz) 506 / 2.672.8 (E) 3.2 (F) 520 / 2.8 517 / 2.93520 (J) / 2.8 521 / 2.8 620 / 2.8
511 / 2.803.0 (E) 3.4 (F) 530 / 3.0 524 / 3.07530 (J) / 3.0 531 / 3.0 630 / 3.0
516 / 2.933.2 (E) 3.6 (F) 540 / 3.2 540 (J) / 3.2 541 / 3.2 640 / 3.2
519 (K) / 3.073.4 (E) 3.8 (F) 550 / 3.4 550 (J) / 3.4 551 / 3.4 650 / 3.4

560/ 3.6 560 (J) / 3.6 561 / 3.6 660 / 3.6

570 (J) / 3.8 571 / 3.8 680 / 3.8
 FSB Details
  CLK speed (MHz)133200200200133200200200
  Data transfer rate (MHz)533800800800533800800800
  Total bus width (bits)6464646464646464
  Maximum bandwidth (GB/sec)4.276.406.406.404.276.406.406.40
 Cache details
  L1 amount (KiB) ~ 28~ 28 ~ 28 ~ 28 ~ 28~ 28 ~ 28 ~ 28
  L1 location on-dieon-die on-die on-die on-dieon-die on-die on-die
  L1 trace cache size (KiB) ~ 12~ 12 ~ 12 ~ 12 ~ 12~ 12 ~ 12 ~ 12
  L2 data cache size (KiB) 1616 16 16 1616 16 16
  L2 amount (KiB) 10241024 1024 1024 10241024 1024 2048
  L2 location on-dieon-die on-die on-die on-dieon-die on-die on-die
  L2 bus width (bits) 256256 256 256 256256 256 256
 Extension support
  MMXYesYesYesYesYesYesYesYes
  3DNow!NoNoNoNoNoNoNoNo
  SSEYesYesYesYesYesYesYesYes
  Enhanced 3DNow!NoNoNoNoNoNoNoNo
  3DNow! ProfessionalNoNoNoNoNoNoNoNo
  SSE2YesYesYesYesYesYesYesYes
  SSE3YesYesYesYesYesYesYesYes
  SSSE3NoNoNoNoNoNoNoNo
 Additional Features
  Intel 64 YesNo Yes No YesNo Yes Yes
  AMD64 NoNo No No NoNo No No
  HyperThreading NoYes Yes Yes YesYes Yes Yes
  NX Bit YesNo No No YesYes Yes Yes
  Virtualization Technology NoNo No No NoNo No No
 
 Core details Pentium 4 HTPentium 4 HT Pentium 4
Extreme Edition
     Pentium 4     
Extreme Edition
Pentium 4
Extreme Edition
Pentium 4
Extreme Edition
  Development name Prescott 2MCedar Mill Gallatin GallatinGallatin Prescott 2M
  Construction size (nm) 9090 130 130130 90
  Transistor count (millions) 164164 178 178178 164
  Number of processor cores111111
  Registers - ALU (bits) 3232 32 3232 32
  Registers - FPU (bits) 80 (128 Ext)80 (128 Ext) 80 (128 Ext) 80 (128 Ext)80 (128 Ext) 80 (128 Ext)
  Connection Type LGA 775LGA 775 Socket 478 LGA 775LGA 775 LGA 775
 Model Details
  Name / Core speed (GHz) 662 / 3.6631 / 3.2 3.2 3.43.47 3.73
672 / 3.8641 / 3.4 3.4
651 / 3.5
661 / 3.6
 FSB Details
  CLK speed (MHz)200200200200266266
  Data transfer rate (MHz)80080080080010661066
  Total bus width (bits)646464646464
  Maximum bandwidth (GB/sec)6.406.406.406.408.538.53
 Cache details
  L1 amount (KiB) ~ 28~ 28 ~ 20 ~ 20~ 20 ~ 28
  L1 location on-dieon-die on-die on-dieon-die on-die
  L1 trace cache size (KiB) ~ 12~ 12 ~ 12 ~ 12~ 12 ~ 12
  L2 data cache size (KiB) 1616 8 88 16
  L2 amount (KiB) 20482048 512 512512 2048
  L2 location on-dieon-die on-die on-dieon-die on-die
  L2 bus width (bits) 256256 256 256256 256
  L3 amount (KiB) -- 2048 20482048 -
  L3 location -- on-die on-dieon-die -
  L3 bus width (bits) -- 64? 64?64? -
 Extension support
  MMXYesYesYesYesYesYes
  3DNow!NoNoNoNoNoNo
  SSEYesYesYesYesYesYes
  Enhanced 3DNow!NoNoNoNoNoNo
  3DNow! ProfessionalNoNoNoNoNoNo
  SSE2YesYesYesYesYesYes
  SSE3YesYesNoNoNoYes
  SSSE3NoNoNoNoNoNo
 Additional Features
  Intel 64 YesYes No NoNo Yes
  AMD64 NoNo No NoNo No
  HyperThreading YesYes Yes YesYes Yes
  NX Bit YesYes No NoNo Yes
  Virtualization Technology YesYes No NoNo No
 


 Notes
AMD & Intel CPU Specifications - N D Evanson 2008