Product comparison · 2 cpus

HP Intel Xeon E5-2403 vs NEC Intel Xeon E5-2640

31specifications compared
14differ
17identical
18known for one product only

Key differences

Processor model
- Intel Xeon E5-2403:E5-2403
- Intel Xeon E5-2640:E5-2640
Processor base frequency
- Intel Xeon E5-2403:1.8 GHz
- Intel Xeon E5-2640:2.5 GHz
Processor cores
- Intel Xeon E5-2403:4
- Intel Xeon E5-2640:6
Processor socket
- Intel Xeon E5-2403:LGA 1356 (Socket B2)
- Intel Xeon E5-2640:LGA 2011 (Socket R)
Processor threads
- Intel Xeon E5-2403:4
- Intel Xeon E5-2640:12
System bus rate
- Intel Xeon E5-2403:6.4 GT/s
- Intel Xeon E5-2640:7.2 GT/s
Processor cache
- Intel Xeon E5-2403:10 MB
- Intel Xeon E5-2640:15 MB
Thermal Design Power (TDP)
- Intel Xeon E5-2403:80 W
- Intel Xeon E5-2640:95 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2403, Intel Xeon E5-2640
49 specifications	A HP Intel Xeon E5-2403 View product	B NEC Intel Xeon E5-2640 View product
Processor11 differ
Processor modelDiffers	E5-2403	E5-2640
Processor base frequencyDiffers	1.8 GHz	2.5 GHz
Processor coresDiffers	4	6
Processor socketDiffers	LGA 1356 (Socket B2)	LGA 2011 (Socket R)
Processor threadsDiffers	4	12
System bus rateDiffers	6.4 GT/s	7.2 GT/s
Processor boost frequencyKnown for one	Unknown — not stated by the source	3 GHz
Processor cacheDiffers	10 MB	15 MB
Thermal Design Power (TDP)Differs	80 W	95 W
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
Bus typeKnown for one	Unknown — not stated by the source	QPI
Number of QPI linksDiffers	1	2
Memory bandwidth supported by processor (max)Differs	25 GB/s	42.6 GB/s
Memory3 differ
Maximum internal memory supported by processorDiffers	375 GB	750 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Memory channelsDiffers	Triple-channel	Quad-channel
Featuresidentical
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
CPU configuration (max)Known for one	Unknown — not stated by the source	2
ScalabilityKnown for one	Unknown — not stated by the source	2S
Processor special featuresidentical
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
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
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known 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.

More cpu comparisons

All cpu comparisons