Product comparison · 2 cpus

NEC Intel Xeon E5-2640 vs NEC Intel Xeon E5640

42specifications compared
17differ
25identical
8known for one product only

Key differences

Processor family
- Intel Xeon E5-2640:Intel® Xeon® E5 Family
- Intel Xeon E5640:Intel® Xeon® 5000 Sequence
Processor model
- Intel Xeon E5-2640:E5-2640
- Intel Xeon E5640:E5640
Processor base frequency
- Intel Xeon E5-2640:2.5 GHz
- Intel Xeon E5640:2.66 GHz
Processor cores
- Intel Xeon E5-2640:6
- Intel Xeon E5640:4
Processor socket
- Intel Xeon E5-2640:LGA 2011 (Socket R)
- Intel Xeon E5640:Socket B (LGA 1366)
Processor threads
- Intel Xeon E5-2640:12
- Intel Xeon E5640:8
System bus rate
- Intel Xeon E5-2640:7.2 GT/s
- Intel Xeon E5640:5.86 GT/s
Processor boost frequency
- Intel Xeon E5-2640:3 GHz
- Intel Xeon E5640:2.93 GHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2640, Intel Xeon E5640
50 specifications	A NEC Intel Xeon E5-2640 View product	B NEC Intel Xeon E5640 View product
Processor12 differ
Processor familyDiffers	Intel® Xeon® E5 Family	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5-2640	E5640
Processor base frequencyDiffers	2.5 GHz	2.66 GHz
Processor coresDiffers	6	4
Processor socketDiffers	LGA 2011 (Socket R)	Socket B (LGA 1366)
Processor threadsDiffers	12	8
System bus rateDiffers	7.2 GT/s	5.86 GT/s
Processor boost frequencyDiffers	3 GHz	2.93 GHz
Processor cacheDiffers	15 MB	12 MB
Thermal Design Power (TDP)Differs	95 W	80 W
VID Voltage RangeDiffers	0.6 - 1.35 V	0.75 - 1.35 V
Compatible chipsetsKnown for one	Intel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Differs	42.6 GB/s	25.6 GB/s
SteppingKnown for one	Unknown — not stated by the source	B1
Memory3 differ
Maximum internal memory supported by processorDiffers	750 GB	288 GB
Memory clock speeds supported by processorDiffers	800,1066,1333 MHz	800,1066 MHz
Memory channelsDiffers	Quad-channel	Triple-channel
Features1 differ
PCI Express slots versionKnown for one	3.0	Unknown — not stated by the source
Supported instruction setsDiffers	AVX	SSE4.2
ScalabilityKnown for one	2S	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor special featuresidentical
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	73 °C	77.6 °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.

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