Product comparison · 2 cpus

Lenovo E5-2609 v2 vs Lenovo E5-2640 v2

Key differences

Processor model
- E5-2609 v2:E5-2609V2
- E5-2640 v2:E5-2640V2
Processor base frequency
- E5-2609 v2:2.5 GHz
- E5-2640 v2:2 GHz
Processor cores
- E5-2609 v2:4
- E5-2640 v2:8
System bus rate
- E5-2609 v2:6.4 GT/s
- E5-2640 v2:7.2 GT/s
Processor cache
- E5-2609 v2:10 MB
- E5-2640 v2:20 MB
Thermal Design Power (TDP)
- E5-2609 v2:80 W
- E5-2640 v2:95 W
Memory bandwidth supported by processor (max)
- E5-2609 v2:42.6 GB/s
- E5-2640 v2:51.2 GB/s
Memory clock speeds supported by processor
- E5-2609 v2:800,1066,1333 MHz
- E5-2640 v2:800,1066,1333,1600,1866 MHz

Differences highlightedShow differences only

Comparison of E5-2609 v2, E5-2640 v2
47 specifications	A Lenovo E5-2609 v2 View product	B Lenovo E5-2640 v2 View product
Processor7 differ
Processor modelDiffers	E5-2609V2	E5-2640V2
Processor base frequencyDiffers	2.5 GHz	2 GHz
Processor coresDiffers	4	8
System bus rateDiffers	6.4 GT/s	7.2 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.5 GHz
Processor cacheDiffers	10 MB	20 MB
Thermal Design Power (TDP)Differs	80 W	95 W
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	51.2 GB/s
Package typeKnown for one	Tray	Unknown — not stated by the source
Memory1 differ
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066,1333,1600,1866 MHz
Processor special features1 differ
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	2.0
Operational conditions1 differ
TcaseDiffers	71 °C	75 °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.