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Product comparison · 2 cpus

HP Intel Xeon E5-2620 vs HP Z820 Xeon E5-2643 4C 3.30GHz 10MB

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  • 44specifications compared
  • 13differ
  • 31identical
  • 10known for one product only

Key differences

The HP Z820 Xeon E5-2643 4C 3.30GHz 10MB 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 Z820 Xeon E5-2643 4C 3.30GHz 10MB (6 vs 4). The HP Intel Xeon E5-2620 has 4 more processor threads than the HP Z820 Xeon E5-2643 4C 3.30GHz 10MB (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 Z820 Xeon E5-2643 4C 3.30GHz 10MB.

  • Processor model
    • E5-2620
    • E5-2643
  • Processor base frequency
    • 2 GHz
    • 3.3 GHz
  • Processor cores
    • 6
    • 4
  • Processor threads
    • 12
    • 8
  • System bus rate
    • 7.2 GT/s
    • 8 GT/s
  • Processor boost frequency
    • 2.5 GHz
    • 3.5 GHz
  • Processor cache
    • 15 MB
    • 10 MB
  • Thermal Design Power (TDP)
    • 95 W
    • 130 W

Side by side

Differences highlightedShow differences only
54 specifications
A

HP

Intel Xeon E5-2620View product
B

HP

Z820 Xeon E5-2643 4C 3.30GHz 10MBView product
Processor10 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 typeKnown for oneBox
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
SteppingKnown for oneC2
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
Processor front side busKnown for one1600 MHz
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 cardNoNo
Features1 differ
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
PCI Express slots version3.03.0
Supported instruction setsKnown for oneAVX
CPU configuration (max)Known for one2
Embedded options availableDiffersYesNo
Graphics & IMC lithographyKnown for one32 nm
Maximum number of PCI Express lanesKnown for one40
ScalabilityKnown for oneS2S
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® Turbo Boost TechnologyYesYes
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 sizeKnown for one52.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x
CompatibilityKnown for oneHP Z820

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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