Product comparison · 2 cpus

Dell Intel Xeon E5-2643 vs Fujitsu Intel Xeon E5-2440 v2

Key differences

Processor family
- Intel Xeon E5-2643:Intel® Xeon® E5 Family
- Intel Xeon E5-2440 v2:Intel® Xeon® E5 V2 Family
Processor model
- Intel Xeon E5-2643:E5-2643
- Intel Xeon E5-2440 v2:E5-2440V2
Processor base frequency
- Intel Xeon E5-2643:3.3 GHz
- Intel Xeon E5-2440 v2:1.9 GHz
Processor cores
- Intel Xeon E5-2643:4
- Intel Xeon E5-2440 v2:8
Processor socket
- Intel Xeon E5-2643:LGA 2011 (Socket R)
- Intel Xeon E5-2440 v2:LGA 1356 (Socket B2)
Processor lithography
- Intel Xeon E5-2643:32 nm
- Intel Xeon E5-2440 v2:22 nm
Processor threads
- Intel Xeon E5-2643:8
- Intel Xeon E5-2440 v2:16
System bus rate
- Intel Xeon E5-2643:8 GT/s
- Intel Xeon E5-2440 v2:7.2 GT/s

Differences highlightedShow differences only

Comparison of Intel Xeon E5-2643, Intel Xeon E5-2440 v2
51 specifications	A Dell Intel Xeon E5-2643 View product	B Fujitsu Intel Xeon E5-2440 v2 View product
Processor14 differ
Processor familyDiffers	Intel® Xeon® E5 Family	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E5-2643	E5-2440V2
Processor base frequencyDiffers	3.3 GHz	1.9 GHz
Processor coresDiffers	4	8
Processor socketDiffers	LGA 2011 (Socket R)	LGA 1356 (Socket B2)
Processor lithographyDiffers	32 nm	22 nm
Processor threadsDiffers	8	16
System bus rateDiffers	8 GT/s	7.2 GT/s
Processor boost frequencyDiffers	3.5 GHz	2.4 GHz
Processor cacheDiffers	10 MB	20 MB
Thermal Design Power (TDP)Differs	130 W	95 W
VID Voltage RangeDiffers	0.60 - 1.35 V	0.65 - 1.30 V
Number of QPI linksDiffers	2	1
Memory bandwidth supported by processor (max)Differs	51.2 GB/s	38.4 GB/s
Memory1 differ
Memory channelsDiffers	Quad-channel	Triple-channel
Featuresidentical
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	24
Processor special featuresidentical
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	73 °C	80 °C
Packaging dataidentical
Package widthKnown for one	52.5 mm	Unknown — not stated by the source
Package depthKnown for one	45 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.