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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
Component forServer/workstationServer/workstation
Processor threadsDiffers412
System bus rateDiffers5 GT/s7.2 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers3.5 GHz2.5 GHz
Processor cacheDiffers8 MB15 MB
Processor cache typeL3L3
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 types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers1333,1600 MHz800,1066,1333 MHz
Memory channelsDiffersDual-channelQuad-channel
ECCYesYes
Graphicsidentical
On-board graphics cardNoNo
Features2 differ
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
PCI Express slots version3.03.0
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
Enhanced Intel SpeedStep TechnologyYesYes
Intel Flex Memory AccessYesYes
Intel Trusted Execution TechnologyYesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® Turbo Boost TechnologyDiffers2.0Yes
Intel Demand Based SwitchingYesYes
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® vPro™ Platform EligibilityYesYes
Intel Fast Memory AccessKnown for oneYes
Intel® Smart CacheKnown for oneYes
Operational conditionsidentical
TcaseKnown for one77.4 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x

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