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Product comparison · 2 cpus

NEC Intel Xeon E5-2620v2 6C 2.1GHz vs NEC Intel Xeon E5-2643

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  • 41specifications compared
  • 15differ
  • 26identical
  • 10known for one product only

Key differences

  • Processor family
    • Intel® Xeon® E5 V2 Family
    • Intel® Xeon® E5 Family
  • Processor model
    • E5-2620V2
    • E5-2643
  • Processor base frequency
    • 2.1 GHz
    • 3.3 GHz
  • Processor cores
    • 6
    • 4
  • Processor lithography
    • 22 nm
    • 32 nm
  • Processor threads
    • 12
    • 8
  • System bus rate
    • 7.2 GT/s
    • 8 GT/s
  • Processor boost frequency
    • 2.6 GHz
    • 3.5 GHz

Side by side

Differences highlightedShow differences only
51 specifications
A

NEC

Intel Xeon E5-2620v2 6C 2.1GHzView product
B

NEC

Intel Xeon E5-2643View product
Processor10 differ
Processor familyDiffersIntel® Xeon® E5 V2 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2620V2E5-2643
Processor base frequencyDiffers2.1 GHz3.3 GHz
Processor coresDiffers64
Processor lithographyDiffers22 nm32 nm
Processor threadsDiffers128
System bus rateDiffers7.2 GT/s8 GT/s
Processor boost frequencyDiffers2.6 GHz3.5 GHz
Processor cacheKnown for one15 MB
Processor cache typeKnown for oneL3
Thermal Design Power (TDP)Differs80 W130 W
VID Voltage RangeDiffers0.6 - 1.30 V0.6 - 1.35 V
SteppingKnown for oneM1
Memory1 differ
Maximum internal memory supported by processorDiffers768 GB750 GB
Features1 differ
Maximum number of PCI Express lanesKnown for one40
Embedded options availableKnown for oneYes
Physical Address Extension (PAE)Known for oneYes
ScalabilityDiffers2SS2S
Supported instruction setsKnown for oneAVX
CPU configuration (max)Known for one2
Processor special features2 differ
Intel Flex Memory AccessDiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneNo
Intel® Turbo Boost TechnologyDiffersYes2.0
Intel® Secure KeyKnown for oneYes
Operational conditions1 differ
TcaseDiffers71 °C73 °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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