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Product comparison · 2 cpus

Fujitsu Xeon E5-2420 1.90GHz vs NEC Intel Xeon E5-2643

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  • 38specifications compared
  • 16differ
  • 22identical
  • 11known for one product only

Key differences

  • Processor model
    • E5-2420
    • E5-2643
  • Processor base frequency
    • 1.9 GHz
    • 3.3 GHz
  • Processor cores
    • 6
    • 4
  • Processor socket
    • LGA 1356 (Socket B2)
    • LGA 2011 (Socket R)
  • Processor threads
    • 12
    • 8
  • System bus rate
    • 7.2 GT/s
    • 8 GT/s
  • Processor boost frequency
    • 2.4 GHz
    • 3.5 GHz
  • Thermal Design Power (TDP)
    • 95 W
    • 130 W

Side by side

Differences highlightedShow differences only
49 specifications
A

Fujitsu

Xeon E5-2420 1.90GHzView product
B

NEC

Intel Xeon E5-2643View product
Processor10 differ
Processor modelDiffersE5-2420E5-2643
Processor base frequencyDiffers1.9 GHz3.3 GHz
Processor coresDiffers64
Processor socketDiffersLGA 1356 (Socket B2)LGA 2011 (Socket R)
Processor threadsDiffers128
System bus rateDiffers7.2 GT/s8 GT/s
Processor boost frequencyDiffers2.4 GHz3.5 GHz
Thermal Design Power (TDP)Differs95 W130 W
SteppingKnown for oneM1
Number of QPI linksDiffers12
Memory bandwidth supported by processor (max)Differs32 GB/s51.2 GB/s
Processor cacheKnown for one15 MB
Processor cache typeKnown for oneL3
Processor front side busKnown for one1333 MHz
Memory3 differ
Maximum internal memory supported by processorDiffers375 GB750 GB
Memory clock speeds supported by processorDiffers800,1066,1333 MHz800,1066,1333,1600 MHz
Memory channelsDiffersTriple-channelQuad-channel
Features1 differ
Supported instruction setsKnown for oneAVX
CPU configuration (max)Known for one2
ScalabilityDiffers2SS2S
Maximum number of PCI Express lanesKnown for one24
Processor special features2 differ
Intel Flex Memory AccessDiffersNoYes
Intel® Turbo Boost TechnologyDiffersYes2.0
Intel Demand Based SwitchingKnown for oneYes
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneNo
Operational conditionsidentical
TcaseKnown for one73 °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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