Product comparison · 2 cpus

Lenovo Intel Xeon E6540 vs Lenovo Xeon L5638

14specifications compared
6differ
8identical
3known for one product only

Key differences

Processor family
- Intel Xeon E6540:Intel® Xeon® 6000 Sequence
- Xeon L5638:Intel® Xeon® 5000 Sequence
Processor model
- Intel Xeon E6540:E6540
- Xeon L5638:L5638
Processor lithography
- Intel Xeon E6540:45 nm
- Xeon L5638:32 nm
System bus rate
- Intel Xeon E6540:6.4 GT/s
- Xeon L5638:5.86 GT/s
Processor cache
- Intel Xeon E6540:18 MB
- Xeon L5638:12 MB
Thermal Design Power (TDP)
- Intel Xeon E6540:105 W
- Xeon L5638:60 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E6540, Xeon L5638
17 specifications	A Lenovo Intel Xeon E6540 View product	B Lenovo Xeon L5638 View product
Processor6 differ
Processor familyDiffers	Intel® Xeon® 6000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E6540	L5638
Processor base frequency	2 GHz	2 GHz
Processor cores	6	6
Processor socketKnown for one	Unknown — not stated by the source	Socket B (LGA 1366)
Processor lithographyDiffers	45 nm	32 nm
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
Processor threads	12	12
System bus rateDiffers	6.4 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	18 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	105 W	60 W
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® 5520
Processor system typeKnown for one	DP	Unknown — not stated by the source
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.

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