Product comparison · 2 cpus

Fujitsu Pentium 4 640 vs HP AMD Athlon 64 X2 4400+

9specifications compared
8differ
1identical
10known for one product only

Key differences

The Fujitsu Pentium 4 640 has 0.9 GHz more processor base frequency than the HP AMD Athlon 64 X2 4400+ (3.2 GHz vs 2.3 GHz). The Fujitsu Pentium 4 640 has 25 nm more processor lithography than the HP AMD Athlon 64 X2 4400+ (90 nm vs 65 nm). The Fujitsu Pentium 4 640 has 1 MB more processor cache than the HP AMD Athlon 64 X2 4400+ (2 MB vs 1 MB). Processor socket: LGA 775 (Socket T) on the Fujitsu Pentium 4 640, Socket AM2 on the HP AMD Athlon 64 X2 4400+. Package type: Box on the Fujitsu Pentium 4 640, Tray on the HP AMD Athlon 64 X2 4400+.

Processor base frequency
- Pentium 4 640:3.2 GHz
- AMD Athlon 64 X2 4400+:2.3 GHz
Processor socket
- Pentium 4 640:LGA 775 (Socket T)
- AMD Athlon 64 X2 4400+:Socket AM2
Processor lithography
- Pentium 4 640:90 nm
- AMD Athlon 64 X2 4400+:65 nm
Package type
- Pentium 4 640:Box
- AMD Athlon 64 X2 4400+:Tray
Processor cache
- Pentium 4 640:2 MB
- AMD Athlon 64 X2 4400+:1 MB
Thermal Design Power (TDP)
- Pentium 4 640:84 W
- AMD Athlon 64 X2 4400+:65 W
VID Voltage Range
- Pentium 4 640:1.287 - 1.400 V
- AMD Athlon 64 X2 4400+:1.25 - 1.35 V
Stepping
- Pentium 4 640:R0
- AMD Athlon 64 X2 4400+:G1

Side by side

Differences highlightedShow differences only

Comparison of Pentium 4 640, AMD Athlon 64 X2 4400+
19 specifications	A Fujitsu Pentium 4 640 View product	B HP AMD Athlon 64 X2 4400+View product
Processor8 differ
Processor familyKnown for one	Intel® Pentium® 4	Unknown — not stated by the source
Processor base frequencyDiffers	3.2 GHz	2.3 GHz
Processor socketDiffers	LGA 775 (Socket T)	Socket AM2
Processor lithographyDiffers	90 nm	65 nm
Package typeDiffers	Box	Tray
Processor cacheDiffers	2 MB	1 MB
L2 cache speedKnown for one	3.2 GHz	Unknown — not stated by the source
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	84 W	65 W
VID Voltage RangeDiffers	1.287 - 1.400 V	1.25 - 1.35 V
SteppingDiffers	R0	G1
CPU multiplier (bus/core ratio)Known for one	16	Unknown — not stated by the source
Processor codeKnown for one	SL7Z8	Unknown — not stated by the source
Processor modelKnown for one	Unknown — not stated by the source	4400+
Processor coresKnown for one	Unknown — not stated by the source	2
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	72 °C
Other featuresidentical
L1 cacheKnown for one	Unknown — not stated by the source	0.25 MB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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