Desktop Computer CPU Outdated Obsolete Central Processing Unit

Computer CPU, or central processor unit, is the brain of a personal computer system. The speed of computer CPU largely contributes to the general performance of the computer. Intel and AMD are two most important manufacturers of computer central processing units in the world. Both companies have been developing and supplying reliable and continuously innovated desktop computer CPUs for personal and business applications. Due to constant increases in CPU speed, new computer CPUs become available in the market on a regular basis, making proceeding computer CPUs outdated and obsolete. This section lists part of  the outdated computer CPU processors manufactured by Intel and AMD in the past. Click here for the CPUs currently available in the market.

AMD Central Processing Units

AM386; AM486; AM5x86

AMD K5 series CPU Processor

AMD K6 series CPU Processor

AMD K7 Series CPU Processors:

Athlon - slot A

Athlon - socket A

AMD Duron

Athlon XP

Sempron

AMD K8 Series CPU Processors:

Opteron

Athlon 64; Athlon 64 FX

Sempron Paris; Sempron Palermo

Intel Central Processing Units

8086; 80286; 80386; 80486

Pentium; Pentium 2 Pentium II P2

Pentium 3 Pentium III P3

Pentium 4 Pentium IV P4

Pentium Pro Pentium 6 P6

Pentium II MMX; Pentium 2 MMX

Pentium II Celeron;  Pentium 2 Celeron

Pentium II Xeon, Pentium 2 Xeon

Pentium III Pentium 3 Coppermine

Pentium III Pentium 3 Celeron

Pentium 4 Itanium; Itanium 2, Pentium 4 Xeon

Pentium M; Celeron M; Dual Core Xeon

32 Bit Intel CPU: Pentium 4E; Pentium 4F