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Product comparison · 2 cpus

NEC Intel Xeon E3-1220 v2 vs NEC Intel Xeon E5-2620

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  • 39specifications compared
  • 18differ
  • 21identical
  • 12known for one product only

Key differences

  • Processor family
    • Intel® Xeon® E3 V2 Family
    • Intel® Xeon® E5 Family
  • Processor model
    • E3-1220V2
    • E5-2620
  • Processor base frequency
    • 3.1 GHz
    • 2 GHz
  • Processor cores
    • 4
    • 6
  • Processor lithography
    • 22 nm
    • 32 nm
  • Processor threads
    • 4
    • 12
  • System bus rate
    • 5 GT/s
    • 7.2 GT/s
  • Processor boost frequency
    • 3.5 GHz
    • 2.5 GHz

Side by side

Differences highlightedShow differences only
51 specifications
A

NEC

Intel Xeon E3-1220 v2View product
B

NEC

Intel Xeon E5-2620View product
Processor12 differ
Processor familyDiffersIntel® Xeon® E3 V2 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE3-1220V2E5-2620
Processor base frequencyDiffers3.1 GHz2 GHz
Processor coresDiffers46
Processor lithographyDiffers22 nm32 nm
Processor threadsDiffers412
System bus rateDiffers5 GT/s7.2 GT/s
Processor boost frequencyDiffers3.5 GHz2.5 GHz
Processor cacheDiffers8 MB15 MB
Thermal Design Power (TDP)Differs69 W95 W
VID Voltage RangeKnown for one0.6 - 1.35 V
Compatible chipsetsKnown for oneIntel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608
Bus typeDiffersDMIQPI
Number of QPI linksKnown for one2
Memory bandwidth supported by processor (max)Differs25.6 GB/s42.6 GB/s
SteppingKnown for oneE1
Memory3 differ
Maximum internal memory supported by processorDiffers32 GB750 GB
Memory clock speeds supported by processorDiffers1333,1600 MHz800,1066,1333 MHz
Memory channelsDiffersDual-channelQuad-channel
Features2 differ
Supported instruction setsDiffersAVX, SSE4.1, SSE4.2AVX
CPU configuration (max)Differs12
Embedded options availableKnown for oneYes
ScalabilityKnown for oneS2S
PCI Express configurationsKnown for one1x16+1x4, 1x8+3x4, 2x8+1x4
Processor special features1 differ
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® Turbo Boost TechnologyDiffers2.0Yes
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Fast Memory AccessKnown for oneYes
Intel® Smart CacheKnown for oneYes
Operational conditionsidentical
TcaseKnown for one77.4 °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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