Product comparison · 2 cpus

Lenovo Intel Xeon L5638 vs Lenovo Xeon E5645

Key differences

Differences highlightedShow differences only

Comparison of Intel Xeon L5638, Xeon E5645
20 specifications	A Lenovo Intel Xeon L5638 View product	B Lenovo Xeon E5645 View product
Processor3 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	L5638	E5645
Processor base frequencyDiffers	2 GHz	2.4 GHz
Processor cores	6	6
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threads	12	12
System bus rate	5.86 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	2.4 GHz	Unknown — not stated by the source
Processor front side busKnown for one	1333 MHz	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	60 W	80 W
VID Voltage RangeKnown for one	1 - 1.5 V	Unknown — not stated by the source
Package typeKnown for one	Unknown — not stated by the source	Tray
Processor cacheKnown for one	Unknown — not stated by the source	12 MB
Processor cache typeKnown for one	Unknown — not stated by the source	L3
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® 5520
Featuresidentical
Market segment	Server	Server
Operational conditionsidentical
Maximum operating temperatureKnown for one	85 °C	Unknown — not stated by the source

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.