Lenovo Intel Xeon E5640 vs Lenovo Intel Xeon Processor E5640

Comparison of Intel Xeon E5640, Intel Xeon Processor E5640

21 specifications	A Lenovo Intel Xeon E5640View product	B Lenovo Intel Xeon Processor E5640View product
Processoridentical
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor model	E5640	E5640
Processor base frequency	2.66 GHz	2.66 GHz
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithographyKnown for one	—Unknown — not stated by the source	32 nm
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 type	L3	L3
L3 cache speedKnown for one	—Unknown — not stated by the source	2.66 GHz
Thermal Design Power (TDP)	80 W	80 W
VID Voltage Range	0.8 - 1.3 V	0.8 - 1.3 V
SteppingKnown for one	—Unknown — not stated by the source	B1
CPU multiplier (bus/core ratio)	20	20
Processor codeKnown for one	—Unknown — not stated by the source	SLBVC
Processor coresKnown for one	4	—Unknown — not stated by the source
Processor threadsKnown for one	8	—Unknown — not stated by the source
Featuresidentical
Market segment	Server	Server
Operational conditionsidentical
Maximum operating temperature	77.6 °C	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.