Comparison of Widely Used
Personal Computer Processors
Name Date Clock Introduced Speed
Itanium 2
2002 1.3–1.5 GHZ
Xeon 2001 1.4–3.06 GHZ
Itanium 2001 733–800
MHZ
Pentium 4
2000 1.4–3.2 GHZ
Pentium III Xeon 1999
500–900 MHZ
Pentium III 1999
400 MHZ–1.4 GHZ
Celeron 1998 266 MHZ–2.6 GHZ
Operon 2003 2–2.4 GHZ
Athlon MP
2002 1.53–2.25 GHZ
Athlon XP
2001 1.33–2.26 GHZ
Athlon
1999 500 MHZ–1.4 GHZ
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