Product comparison · 2 cpus

HP Intel Xeon E5-2640 vs HP Intel Xeon E5-2665

Key differences

Processor model
- Intel Xeon E5-2640:E5-2640
- Intel Xeon E5-2665:E5-2665
Processor base frequency
- Intel Xeon E5-2640:2.5 GHz
- Intel Xeon E5-2665:2.4 GHz
Processor cores
- Intel Xeon E5-2640:6
- Intel Xeon E5-2665:8
Processor threads
- Intel Xeon E5-2640:12
- Intel Xeon E5-2665:16
System bus rate
- Intel Xeon E5-2640:7.2 GT/s
- Intel Xeon E5-2665:8 GT/s
Processor boost frequency
- Intel Xeon E5-2640:3 GHz
- Intel Xeon E5-2665:3.1 GHz
Processor cache
- Intel Xeon E5-2640:15 MB
- Intel Xeon E5-2665:20 MB
Thermal Design Power (TDP)
- Intel Xeon E5-2640:95 W
- Intel Xeon E5-2665:115 W

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2640, Intel Xeon E5-2665
53 specifications	A HP Intel Xeon E5-2640 View product	B HP Intel Xeon E5-2665 View product
Processor11 differ
Processor modelDiffers	E5-2640	E5-2665
Processor base frequencyDiffers	2.5 GHz	2.4 GHz
Processor coresDiffers	6	8
Package typeKnown for one	Box	Unknown — not stated by the source
Processor threadsDiffers	12	16
System bus rateDiffers	7.2 GT/s	8 GT/s
Processor boost frequencyDiffers	3 GHz	3.1 GHz
Processor cacheDiffers	15 MB	20 MB
Thermal Design Power (TDP)Differs	95 W	115 W
VID Voltage RangeDiffers	0.6 - 1.35 V	0.60 - 1.35 V
CPU multiplier (bus/core ratio)Differs	30	31
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	51.2 GB/s
Graphicsidentical
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Featuresidentical
Embedded options availableKnown for one	No	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
ScalabilityKnown for one	Unknown — not stated by the source	S2S
Processor special features1 differ
Intel® Turbo Boost TechnologyDiffers	Yes	2.0
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	73 °C	81.8 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	52.5 mm	Unknown — not stated by the source

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.