Brand

(Code) Name

 Estimated Speed (in Gigahertz)

 Micron Process

 Special Features

Intel

Itanium

Xeon MP

Xeon

Pentium 4

.8/1(McKinnley)

1.6

2.2

2.8/400/533

.18

.13

.13

.13

64 bit; 4 MB L3/ 3MB iL3 (McKinnley)

up to 1Meg Cache

512k Cache

 AMD

Clawhammer

Barton MP (formerly Athlon MP)

Barton (formerly Athlon XP)

Over 2.0 (3400+)

Over 2.1

Over 2.1

 .13

.13

.13

SOI & X86-64, 512K Cache

SOI

SOI

 VIA

C5X

C5XL

C5YL

1.1 to 1.5

.13

Low Power Requirements/Low heat output/SSE/Faster FPU

C5Y: Faster bus?

 Brand 

 (Code) Name

 Estimated Speed (in Gigahertz)

 Micron Process

 Special Features

Intel

Itanium

Xeon MP

Xeon

Pentium 4

 .8/1

1.6 or higher

Over 2.2

3GHz+?

.18

.13

.13

.13

64 bit; 4 MB L3/ 3MB iL3 (McKinnley) 

up to 1Meg Cache

512k Cache

 AMD

Sledgehammer MP

Clawhammer DP

 (5000+?)

 (4000+?)

.13

 .13

SOI, X86-64,2-8 Way MP, Possible Multi-core, .08 in 1H 2003

Dual Processor

 VIA

 C5X,C5XL,C5Y

 C5Z

 Over 1.5

Over 2?

 .13

.13

Low Power, Requirements/Low heat output

 New, faster core.