Product comparison · 2 cpus

Lenovo Intel Xeon E5-4640 v2 vs Lenovo Intel Xeon E5-4657L v2

Key differences

Processor family
- Intel Xeon E5-4640 v2:Intel® Xeon® E5 V2 Family
- Intel Xeon E5-4657L v2:Intel® Xeon® E5 Family
Processor model
- Intel Xeon E5-4640 v2:E5-4640V2
- Intel Xeon E5-4657L v2:E5-4657LV2
Processor base frequency
- Intel Xeon E5-4640 v2:2.2 GHz
- Intel Xeon E5-4657L v2:2.4 GHz
Processor cores
- Intel Xeon E5-4640 v2:10
- Intel Xeon E5-4657L v2:12
Processor threads
- Intel Xeon E5-4640 v2:20
- Intel Xeon E5-4657L v2:24
Processor boost frequency
- Intel Xeon E5-4640 v2:2.7 GHz
- Intel Xeon E5-4657L v2:2.9 GHz
Processor cache
- Intel Xeon E5-4640 v2:20 MB
- Intel Xeon E5-4657L v2:30 MB
Thermal Design Power (TDP)
- Intel Xeon E5-4640 v2:95 W
- Intel Xeon E5-4657L v2:115 W

Differences highlightedShow differences only

Comparison of Intel Xeon E5-4640 v2, Intel Xeon E5-4657L v2
51 specifications	A Lenovo Intel Xeon E5-4640 v2 View product	B Lenovo Intel Xeon E5-4657L v2 View product
Processor9 differ
Processor familyDiffers	Intel® Xeon® E5 V2 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-4640V2	E5-4657LV2
Processor base frequencyDiffers	2.2 GHz	2.4 GHz
Processor coresDiffers	10	12
Processor threadsDiffers	20	24
Processor boost frequencyDiffers	2.7 GHz	2.9 GHz
Processor cacheDiffers	20 MB	30 MB
Thermal Design Power (TDP)Differs	95 W	115 W
Bus typeDiffers	DMI2	QPI
Operational conditions1 differ
TcaseDiffers	75 °C	81 °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.