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Product comparison · 2 cpus

HP Intel Xeon E5-2640 2.5GHz vs HP Z820 Xeon E5-2680 8C 2.70GHz 20MB

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  • 38specifications compared
  • 11differ
  • 27identical
  • 12known for one product only

Key differences

The HP Z820 Xeon E5-2680 8C 2.70GHz 20MB has 0.2 GHz more processor base frequency than the HP Intel Xeon E5-2640 2.5GHz (2.7 GHz vs 2.5 GHz). The HP Z820 Xeon E5-2680 8C 2.70GHz 20MB has 2 more processor cores than the HP Intel Xeon E5-2640 2.5GHz (8 vs 6). The HP Z820 Xeon E5-2680 8C 2.70GHz 20MB has 4 more processor threads than the HP Intel Xeon E5-2640 2.5GHz (16 vs 12). Processor model: E5-2640 on the HP Intel Xeon E5-2640 2.5GHz, E5-2680 on the HP Z820 Xeon E5-2680 8C 2.70GHz 20MB. VID Voltage Range: 0.60 - 1.35 V on the HP Intel Xeon E5-2640 2.5GHz, 0.6 - 1.35 V on the HP Z820 Xeon E5-2680 8C 2.70GHz 20MB.

  • Processor model
    • E5-2640
    • E5-2680
  • Processor base frequency
    • 2.5 GHz
    • 2.7 GHz
  • Processor cores
    • 6
    • 8
  • Processor threads
    • 12
    • 16
  • System bus rate
    • 7.2 GT/s
    • 8 GT/s
  • Processor boost frequency
    • 3 GHz
    • 3.5 GHz
  • Thermal Design Power (TDP)
    • 95 W
    • 130 W
  • VID Voltage Range
    • 0.60 - 1.35 V
    • 0.6 - 1.35 V

Side by side

Differences highlightedShow differences only
50 specifications
A

HP

Intel Xeon E5-2640 2.5GHzView product
B

HP

Z820 Xeon E5-2680 8C 2.70GHz 20MBView product
Processor9 differ
Processor modelDiffersE5-2640E5-2680
Processor base frequencyDiffers2.5 GHz2.7 GHz
Processor coresDiffers68
Component forKnown for oneServer/workstation
Processor threadsDiffers1216
System bus rateDiffers7.2 GT/s8 GT/s
Processor boost frequencyDiffers3 GHz3.5 GHz
Processor cacheKnown for one20 MB
Processor cache typeKnown for oneL3
Processor front side busKnown for one1600 MHz
Thermal Design Power (TDP)Differs95 W130 W
VID Voltage RangeDiffers0.60 - 1.35 V0.6 - 1.35 V
CPU multiplier (bus/core ratio)Known for one35
Memory bandwidth supported by processor (max)Differs42.6 GB/s51.2 GB/s
Memory1 differ
Memory clock speeds supported by processorDiffers800,1066,1333 MHz800,1066,1333,1600 MHz
Graphicsidentical
On-board graphics cardKnown for oneNo
Featuresidentical
Market segmentKnown for oneServer
Maximum number of PCI Express lanesKnown for one40
PCI Express slots versionKnown for one3.0
Embedded options availableKnown for oneNo
Supported instruction setsKnown for oneAVX
Operational conditions1 differ
TcaseDiffers73 °C85 °C
Other featuresidentical
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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