Product comparison · 2 cpus

HP E5645 processor vs NEC Intel Xeon E5620

Key differences

Processor model
- E5645 processor:E5645
- Intel Xeon E5620:E5620
Processor cores
- E5645 processor:6
- Intel Xeon E5620:4
Processor threads
- E5645 processor:12
- Intel Xeon E5620:8
Processor boost frequency
- E5645 processor:2.67 GHz
- Intel Xeon E5620:2.66 GHz
Memory bandwidth supported by processor (max)
- E5645 processor:32 GB/s
- Intel Xeon E5620:25.6 GB/s
Memory clock speeds supported by processor
- E5645 processor:800,1066,1333 MHz
- Intel Xeon E5620:800,1066 MHz

Differences highlightedShow differences only

Comparison of E5645, Intel Xeon E5620
32 specifications	A HP E5645 processor Model E5645 View product	B NEC Intel Xeon E5620 View product
Processor5 differ
Processor modelDiffers	E5645	E5620
Processor coresDiffers	6	4
Processor threadsDiffers	12	8
Processor boost frequencyDiffers	2.67 GHz	2.66 GHz
SteppingKnown for one	Unknown — not stated by the source	B1
Memory bandwidth supported by processor (max)Differs	32 GB/s	25.6 GB/s
Processor system typeKnown for one	Unknown — not stated by the source	DP
Processor codeKnown for one	Unknown — not stated by the source	SLBV4
Memory1 differ
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	77.6 °C
Weight & dimensionsidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	42.5 x 425.5 x 45 mm
WidthKnown for one	45 mm	Unknown — not stated by the source
HeightKnown for one	42.5 mm	Unknown — not stated by the source
Other featuresidentical
On-board memory controllerKnown for one	Unknown — not stated by the source	Yes

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.