Product comparison · 2 cpus

Fujitsu Pentium D 840 vs HP AMD Athlon 64 X2 4000+

10specifications compared
6differ
4identical
9known for one product only

Key differences

The Fujitsu Pentium D 840 has 1.2 GHz more processor base frequency than the HP AMD Athlon 64 X2 4000+ (3.2 GHz vs 2 GHz). The Fujitsu Pentium D 840 has 65 W more thermal Design Power (TDP) than the HP AMD Athlon 64 X2 4000+ (130 W vs 65 W). Processor socket: LGA 775 (Socket T) on the Fujitsu Pentium D 840, Socket AM2 on the HP AMD Athlon 64 X2 4000+. Package type: Box on the Fujitsu Pentium D 840, Tray on the HP AMD Athlon 64 X2 4000+. VID Voltage Range: 1.25 - 1.4 V on the Fujitsu Pentium D 840, 1.2 - 1.25 V on the HP AMD Athlon 64 X2 4000+.

Processor base frequency
- Pentium D 840:3.2 GHz
- AMD Athlon 64 X2 4000+:2 GHz
Processor socket
- Pentium D 840:LGA 775 (Socket T)
- AMD Athlon 64 X2 4000+:Socket AM2
Package type
- Pentium D 840:Box
- AMD Athlon 64 X2 4000+:Tray
Thermal Design Power (TDP)
- Pentium D 840:130 W
- AMD Athlon 64 X2 4000+:65 W
VID Voltage Range
- Pentium D 840:1.25 - 1.4 V
- AMD Athlon 64 X2 4000+:1.2 - 1.25 V
Stepping
- Pentium D 840:B0
- AMD Athlon 64 X2 4000+:F2

Side by side

Differences highlightedShow differences only

Comparison of Pentium D 840, AMD Athlon 64 X2 4000+
19 specifications	A Fujitsu Pentium D 840 View product	B HP AMD Athlon 64 X2 4000+View product
Processor6 differ
Processor familyKnown for one	Intel® Pentium® D	Unknown — not stated by the source
Processor base frequencyDiffers	3.2 GHz	2 GHz
Processor socketDiffers	LGA 775 (Socket T)	Socket AM2
Package typeDiffers	Box	Tray
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	130 W	65 W
VID Voltage RangeDiffers	1.25 - 1.4 V	1.2 - 1.25 V
SteppingDiffers	B0	F2
CPU multiplier (bus/core ratio)Known for one	16	Unknown — not stated by the source
Processor codeKnown for one	SL8CM	Unknown — not stated by the source
Processor modelKnown for one	Unknown — not stated by the source	4000+
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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