Product comparison · 2 cpus

Lenovo E5-2640 v2 vs Lenovo E5-2660 v2

Key differences

Processor model
- E5-2640 v2:E5-2640V2
- E5-2660 v2:E5-2660V2
Processor base frequency
- E5-2640 v2:2 GHz
- E5-2660 v2:2.2 GHz
Processor cores
- E5-2640 v2:8
- E5-2660 v2:10
System bus rate
- E5-2640 v2:7.2 GT/s
- E5-2660 v2:8 GT/s
Processor boost frequency
- E5-2640 v2:2.5 GHz
- E5-2660 v2:3 GHz
Processor cache
- E5-2640 v2:20 MB
- E5-2660 v2:25 MB
Memory bandwidth supported by processor (max)
- E5-2640 v2:51.2 GB/s
- E5-2660 v2:59.7 GB/s
Embedded options available
- E5-2640 v2:Yes
- E5-2660 v2:No

Differences highlightedShow differences only

Comparison of E5-2640 v2, E5-2660 v2
47 specifications	A Lenovo E5-2640 v2 View product	B Lenovo E5-2660 v2 View product
Processor7 differ
Processor modelDiffers	E5-2640V2	E5-2660V2
Processor base frequencyDiffers	2 GHz	2.2 GHz
Processor coresDiffers	8	10
Processor threadsKnown for one	Unknown — not stated by the source	20
System bus rateDiffers	7.2 GT/s	8 GT/s
Processor boost frequencyDiffers	2.5 GHz	3 GHz
Processor cacheDiffers	20 MB	25 MB
Memory bandwidth supported by processor (max)Differs	51.2 GB/s	59.7 GB/s
Features1 differ
Embedded options availableDiffers	Yes	No

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.