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Product comparison · 2 cpus

NEC Intel Xeon E5-2470 vs NEC Intel Xeon E5-2643

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  • 43specifications compared
  • 12differ
  • 31identical
  • 4known for one product only

Key differences

  • Processor model
    • E5-2470
    • E5-2643
  • Processor base frequency
    • 2.3 GHz
    • 3.3 GHz
  • Processor cores
    • 8
    • 4
  • Processor threads
    • 16
    • 8
  • Processor boost frequency
    • 3.1 GHz
    • 3.5 GHz
  • Thermal Design Power (TDP)
    • 95 W
    • 130 W
  • Stepping
    • C2
    • M1
  • Number of QPI links
    • 1
    • 2

Side by side

Differences highlightedShow differences only
47 specifications
A

NEC

Intel Xeon E5-2470View product
B

NEC

Intel Xeon E5-2643View product
Processor9 differ
Processor familyIntel® Xeon® E5 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2470E5-2643
Processor base frequencyDiffers2.3 GHz3.3 GHz
Processor coresDiffers84
Processor lithography32 nm32 nm
Component forServer/workstationServer/workstation
Processor threadsDiffers168
System bus rate8 GT/s8 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers3.1 GHz3.5 GHz
Processor cacheKnown for one20 MB
Processor cache typeKnown for oneL3
Thermal Design Power (TDP)Differs95 W130 W
VID Voltage Range0.6 - 1.35 V0.6 - 1.35 V
SteppingDiffersC2M1
Bus typeQPIQPI
Number of QPI linksDiffers12
Memory bandwidth supported by processor (max)Differs38.4 GB/s51.2 GB/s
Processor socketKnown for oneLGA 2011 (Socket R)
Memory2 differ
Maximum internal memory supported by processorDiffers375 GB750 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processor800,1066,1333,1600 MHz800,1066,1333,1600 MHz
Memory channelsDiffersTriple-channelQuad-channel
ECCYesYes
Graphicsidentical
On-board graphics cardNoNo
Featuresidentical
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
PCI Express slots version3.03.0
Supported instruction setsAVXAVX
CPU configuration (max)22
ScalabilityS2SS2S
Processor special featuresidentical
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)YesYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost Technology2.02.0
Intel Demand Based SwitchingYesYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® vPro™ Platform EligibilityYesYes
Operational conditions1 differ
TcaseDiffers78 °C73 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x

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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