Product comparison · 2 cpus

Fujitsu Xeon E5620 vs Lenovo Intel Xeon E5640

Key differences

Differences highlightedShow differences only

Comparison of Xeon E5620, Intel Xeon E5640
19 specifications	A Fujitsu Xeon E5620 View product	B Lenovo Intel Xeon E5640 View product
Processor5 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5620	E5640
Processor base frequencyDiffers	2.4 GHz	2.66 GHz
Processor cores	4	4
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithographyKnown for one	32 nm	Unknown — not stated by the source
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
System bus rate	5.86 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor cache	12 MB	12 MB
Processor cache typeDiffers	L2	L3
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Thermal Design Power (TDP)	80 W	80 W
VID Voltage RangeDiffers	0.800 - 1.300 V	0.8 - 1.3 V
CPU multiplier (bus/core ratio)Differs	18	20
Processor threadsKnown for one	Unknown — not stated by the source	8
Featuresidentical
Market segment	Server	Server
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	77.6 °C

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.