Product comparison · 2 cpus

Lenovo Intel Xeon E6540 vs Lenovo Intel Xeon L7555

Key differences

Processor family
- Intel Xeon E6540:Intel® Xeon® 6000 Sequence
- Intel Xeon L7555:Intel® Xeon® 7000 Sequence
Processor model
- Intel Xeon E6540:E6540
- Intel Xeon L7555:L7555
Processor base frequency
- Intel Xeon E6540:2 GHz
- Intel Xeon L7555:1.86 GHz
Processor cores
- Intel Xeon E6540:6
- Intel Xeon L7555:8
Processor threads
- Intel Xeon E6540:12
- Intel Xeon L7555:16
System bus rate
- Intel Xeon E6540:6.4 GT/s
- Intel Xeon L7555:5.86 GT/s
Processor cache
- Intel Xeon E6540:18 MB
- Intel Xeon L7555:24 MB
Thermal Design Power (TDP)
- Intel Xeon E6540:105 W
- Intel Xeon L7555:95 W

Differences highlightedShow differences only

Comparison of Intel Xeon E6540, Intel Xeon L7555
17 specifications	A Lenovo Intel Xeon E6540 View product	B Lenovo Intel Xeon L7555 View product
Processor8 differ
Processor familyDiffers	Intel® Xeon® 6000 Sequence	Intel® Xeon® 7000 Sequence
Processor modelDiffers	E6540	L7555
Processor base frequencyDiffers	2 GHz	1.86 GHz
Processor coresDiffers	6	8
Processor lithographyKnown for one	45 nm	Unknown — not stated by the source
Package type	Tray	Tray
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	12	16
System bus rateDiffers	6.4 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	18 MB	24 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	105 W	95 W
Processor system typeKnown for one	DP	Unknown — not stated by the source
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.675 - 1.35 V
Featuresidentical
Market segment	Server	Server
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	70 °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.