Product comparison · 2 cpus

Fujitsu Intel Xeon E5640 vs Fujitsu Intel Xeon X5680

Key differences

Processor model
- Intel Xeon E5640:E5640
- Intel Xeon X5680:X5680
Processor base frequency
- Intel Xeon E5640:2.66 GHz
- Intel Xeon X5680:3.33 GHz
Processor cores
- Intel Xeon E5640:4
- Intel Xeon X5680:6
System bus rate
- Intel Xeon E5640:5.86 GT/s
- Intel Xeon X5680:6.4 GT/s
Processor cache type
- Intel Xeon E5640:L3
- Intel Xeon X5680:L2
Thermal Design Power (TDP)
- Intel Xeon E5640:80 W
- Intel Xeon X5680:130 W
CPU multiplier (bus/core ratio)
- Intel Xeon E5640:20
- Intel Xeon X5680:25

Differences highlightedShow differences only

Comparison of Intel Xeon E5640, Intel Xeon X5680
17 specifications	A Fujitsu Intel Xeon E5640 View product	B Fujitsu Intel Xeon X5680 View product
Processor7 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5640	X5680
Processor base frequencyDiffers	2.66 GHz	3.33 GHz
Processor coresDiffers	4	6
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
System bus rateDiffers	5.86 GT/s	6.4 GT/s
Processor operating modes	64-bit	64-bit
Processor cache	12 MB	12 MB
Processor cache typeDiffers	L3	L2
Thermal Design Power (TDP)Differs	80 W	130 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.800 - 1.300 V
CPU multiplier (bus/core ratio)Differs	20	25
Processor system type	DP	DP
Featuresidentical
Market segment	Server	Server

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.