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Product comparison · 2 cpus

HP AMD Opteron 850 vs NEC Intel Xeon E5-2643

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  • 13specifications compared
  • 9differ
  • 4identical
  • 37known for one product only

Key differences

  • Processor family
    • AMD Opteron
    • Intel® Xeon® E5 Family
  • Processor model
    • 850
    • E5-2643
  • Processor base frequency
    • 2.4 GHz
    • 3.3 GHz
  • Processor cores
    • 1
    • 4
  • Processor socket
    • Socket 940
    • LGA 2011 (Socket R)
  • Processor threads
    • 1
    • 8
  • Thermal Design Power (TDP)
    • 85.3 W
    • 130 W
  • Stepping
    • E4
    • M1

Side by side

Differences highlightedShow differences only
50 specifications
A

HP

AMD Opteron 850View product
B

NEC

Intel Xeon E5-2643View product
Processor8 differ
Processor familyDiffersAMD OpteronIntel® Xeon® E5 Family
Processor modelDiffers850E5-2643
Processor base frequencyDiffers2.4 GHz3.3 GHz
Processor coresDiffers14
Processor socketDiffersSocket 940LGA 2011 (Socket R)
Processor lithographyKnown for one32 nm
Component forServer/workstationServer/workstation
Processor threadsDiffers18
System bus rateKnown for one8 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyKnown for one3.5 GHz
Thermal Design Power (TDP)Differs85.3 W130 W
VID Voltage RangeKnown for one0.6 - 1.35 V
SteppingDiffersE4M1
Bus typeKnown for oneQPI
Number of QPI linksKnown for one2
Memory bandwidth supported by processor (max)Known for one51.2 GB/s
Processor cacheKnown for one1 MB
Processor cache typeKnown for oneL2
Processor core voltage (AC)Known for one1.35 - 1.40 V
Memoryidentical
Maximum internal memory supported by processorKnown for one750 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800,1066,1333,1600 MHz
Memory channelsKnown for oneQuad-channel
ECCKnown for oneYes
Graphicsidentical
On-board graphics cardNoNo
Features1 differ
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Thermal Monitoring TechnologiesKnown for oneYes
Market segmentServerServer
PCI Express slots versionKnown for one3.0
Supported instruction setsDiffersSSE, SSE2, SSE3AVX
CPU configuration (max)Known for one2
ScalabilityKnown for oneS2S
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Intel Flex Memory AccessKnown for oneYes
Intel Trusted Execution TechnologyKnown for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® Turbo Boost TechnologyKnown for one2.0
Intel Demand Based SwitchingKnown for oneYes
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneYes
Intel® vPro™ Platform EligibilityKnown for oneYes
AMD HyperTransport TechnologyKnown for oneYes
Operational conditionsidentical
TcaseKnown for one73 °C
Operating temperature (T-T)Known for one0 - 71 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for oneVT-d, VT-x
Weight & dimensionsidentical
WeightKnown for one1.91 kg

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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