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Microprocessor Comparison Chart

Clear up any or all processor confusion with this cut-to-the-chase comparison chart.

There are many microprocessors available to the public. Not knowing the differences can be quite frustrating -- especially when it means saving or spending a couple hundred dollars.

Below is a chart that compares and contrasts important features found on some of the more popular chips in the market today.



CPU Speed

L2 Cache

Front-Side Bus Speed

Celeron 7,500,000 1.06 GHz - 2 GHz 256 KB,
full speed
133 MHz and 400 MHz
Pentium II 7,500,000 233 MHz - 450 MHz 512 KB,
half speed
100 MHz
Pentium III 9,500,000 450 MHz - 1 GHz 256 KB,
full speed
133 MHz
Pentium III Xeon 28,100,000 500 MHz - 1 GHz 256 KB - 2 MB,
full speed
100 MHz
Pentium 4 55,000,000 1.4 GHz - 3.4 GHz 256 KB,
full speed
800 MHz
K6-II 9,300,000 500 MHz - 550 MHz N/A 100 MHz
K6-III 21,300,000 400 MHz - 450 MHz 256 KB,
full speed
100 MHz
Athlon (K7) 22,000,000 850 MHz - 1.2 GHz 256 KB,
full speed
200 MHz and 266 MHz
Athlon XP 37,500,000 1.67 GHz 384 KB,
full speed
266 MHz
Duron N/A 700-800 MHz 64 KB,
full speed
200 MHz
PowerPC G3 6,500,000 233 MHz - 333 MHz 512 KB, 1 MB,
half speed
100 MHz
PowerPC G4 10,500,000 400 MHz - 800 MHz 1 MB,
half speed
100 MHz
Athlon 64 105,900,000 800 MHz 1 MB,
half speed
1.6 GHz
G5 58,000,000 2.5GHz 512 KB 900MHz - 1.25GHz

Further Information

  • For more in-depth technical specifications on these chips, visit SandPile.org.
  • Also, check out HardwareCentral's CPU section for articles, opinions, reports, and tutorials.
  • If you're looking to buy a CPU and want to know where to get the absolute best price, visit SharkyExtreme's Weekly CPU Price Update. Page contains prices and vendors for almost every PC CPU on the market today.

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