Product comparison · 2 cpus

HP Intel Xeon E5-2420 vs NEC Intel Xeon E5-2640

Key differences

Processor model
- Intel Xeon E5-2420:E5-2420
- Intel Xeon E5-2640:E5-2640
Processor base frequency
- Intel Xeon E5-2420:1.9 GHz
- Intel Xeon E5-2640:2.5 GHz
Processor socket
- Intel Xeon E5-2420:LGA 1356 (Socket B2)
- Intel Xeon E5-2640:LGA 2011 (Socket R)
Processor boost frequency
- Intel Xeon E5-2420:2.4 GHz
- Intel Xeon E5-2640:3 GHz
VID Voltage Range
- Intel Xeon E5-2420:0.60 - 1.35 V
- Intel Xeon E5-2640:0.6 - 1.35 V
Number of QPI links
- Intel Xeon E5-2420:1
- Intel Xeon E5-2640:2
Memory bandwidth supported by processor (max)
- Intel Xeon E5-2420:32 GB/s
- Intel Xeon E5-2640:42.6 GB/s
Maximum internal memory supported by processor
- Intel Xeon E5-2420:375 GB
- Intel Xeon E5-2640:750 GB

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2420, Intel Xeon E5-2640
50 specifications	A HP Intel Xeon E5-2420 View product	B NEC Intel Xeon E5-2640 View product
Processor7 differ
Processor modelDiffers	E5-2420	E5-2640
Processor base frequencyDiffers	1.9 GHz	2.5 GHz
Processor socketDiffers	LGA 1356 (Socket B2)	LGA 2011 (Socket R)
Processor boost frequencyDiffers	2.4 GHz	3 GHz
VID Voltage RangeDiffers	0.60 - 1.35 V	0.6 - 1.35 V
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608
Number of QPI linksDiffers	1	2
Memory bandwidth supported by processor (max)Differs	32 GB/s	42.6 GB/s
SteppingKnown for one	C2	Unknown — not stated by the source
Memory2 differ
Maximum internal memory supported by processorDiffers	375 GB	750 GB
Memory channelsDiffers	Triple-channel	Quad-channel
Featuresidentical
ScalabilityKnown for one	Unknown — not stated by the source	2S
Processor special featuresidentical
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	73 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	42.5 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.