Product comparison · 2 cpus

HP Intel Xeon E5-2620 vs HP Xeon E5-2643

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  • 48specifications compared
  • 16differ
  • 32identical
  • 2known for one product only

Key differences

The HP Xeon E5-2643 has 1.3 GHz more processor base frequency than the HP Intel Xeon E5-2620 (3.3 GHz vs 2 GHz). The HP Intel Xeon E5-2620 has 2 more processor cores than the HP Xeon E5-2643 (6 vs 4). The HP Intel Xeon E5-2620 has 4 more processor threads than the HP Xeon E5-2643 (12 vs 8). Only the HP Intel Xeon E5-2620 has embedded options available. Processor model: E5-2620 on the HP Intel Xeon E5-2620, E5-2643 on the HP Xeon E5-2643.

  • Processor model
    • Intel Xeon E5-2620:E5-2620
    • Xeon E5-2643:E5-2643
  • Processor base frequency
    • Intel Xeon E5-2620:2 GHz
    • Xeon E5-2643:3.3 GHz
  • Processor cores
    • Intel Xeon E5-2620:6
    • Xeon E5-2643:4
  • Package type
    • Intel Xeon E5-2620:Box
    • Xeon E5-2643:Tray
  • Processor threads
    • Intel Xeon E5-2620:12
    • Xeon E5-2643:8
  • System bus rate
    • Intel Xeon E5-2620:7.2 GT/s
    • Xeon E5-2643:8 GT/s
  • Processor boost frequency
    • Intel Xeon E5-2620:2.5 GHz
    • Xeon E5-2643:3.5 GHz
  • Processor cache
    • Intel Xeon E5-2620:15 MB
    • Xeon E5-2643:10 MB

Side by side

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Comparison of Intel Xeon E5-2620, Xeon E5-2643
50 specifications
Processor12 differ
Processor familyIntel® Xeon® E5 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2620E5-2643
Processor base frequencyDiffers2 GHz3.3 GHz
Processor coresDiffers64
Processor socketLGA 2011 (Socket R)LGA 2011 (Socket R)
Processor lithography32 nm32 nm
Package typeDiffersBoxTray
Component forServer/workstationServer/workstation
Processor threadsDiffers128
System bus rateDiffers7.2 GT/s8 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers2.5 GHz3.5 GHz
Processor cacheDiffers15 MB10 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs95 W130 W
VID Voltage Range0.6 - 1.35 V0.6 - 1.35 V
SteppingDiffersC2M1
Bus typeQPIQPI
CPU multiplier (bus/core ratio)Differs2535
Number of QPI links22
Memory bandwidth supported by processor (max)Differs42.6 GB/s51.2 GB/s
Memory1 differ
Maximum internal memory supported by processor750 GB750 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800,1066,1333 MHz800,1066,1333,1600 MHz
Memory channelsQuad-channelQuad-channel
ECCYesYes
Graphicsidentical
On-board graphics cardKnown for oneNoUnknown — not stated by the source
Features1 differ
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
PCI Express slots version3.03.0
Supported instruction setsAVXAVX
CPU configuration (max)22
Embedded options availableDiffersYesNo
Graphics & IMC lithographyKnown for one32 nmUnknown — not stated by the source
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)YesYes
Intel® Turbo Boost TechnologyDiffersYes2.0
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
TcaseDiffers77.4 °C73 °C
Weight & dimensionsidentical
Processor package size52.5 mm52.5 mm
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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