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Product comparison · 2 cpus

HP E5-2620 v4 2.1 2133 8C 1st vs HP Z840 Xeon E5-2643 v4 3.4 6C 2nd

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  • 55specifications compared
  • 11differ
  • 44identical
  • 1known for one product only

Key differences

The HP Z840 Xeon E5-2643 v4 3.4 6C 2nd has 1.3 GHz more processor base frequency than the HP E5-2620 v4 2.1 2133 8C 1st (3.4 GHz vs 2.1 GHz). The HP E5-2620 v4 2.1 2133 8C 1st has 2 more processor cores than the HP Z840 Xeon E5-2643 v4 3.4 6C 2nd (8 vs 6). The HP E5-2620 v4 2.1 2133 8C 1st has 4 more processor threads than the HP Z840 Xeon E5-2643 v4 3.4 6C 2nd (16 vs 12). Only the HP E5-2620 v4 2.1 2133 8C 1st has embedded options available. Processor model: E5-2620V4 on the HP E5-2620 v4 2.1 2133 8C 1st, E5-2643V4 on the HP Z840 Xeon E5-2643 v4 3.4 6C 2nd.

  • Processor model
    • E5-2620V4
    • E5-2643V4
  • Processor base frequency
    • 2.1 GHz
    • 3.4 GHz
  • Processor cores
    • 8
    • 6
  • Processor threads
    • 16
    • 12
  • System bus rate
    • 8 GT/s
    • 9.6 GT/s
  • Processor boost frequency
    • 3 GHz
    • 3.7 GHz
  • Thermal Design Power (TDP)
    • 85 W
    • 135 W
  • Memory bandwidth supported by processor (max)
    • 68.3 GB/s
    • 76.8 GB/s

Side by side

Differences highlightedShow differences only
56 specifications
A

HP

E5-2620 v4 2.1 2133 8C 1stView product
B

HP

Z840 Xeon E5-2643 v4 3.4 6C 2ndView product
Processor8 differ
Processor modelDiffersE5-2620V4E5-2643V4
Processor base frequencyDiffers2.1 GHz3.4 GHz
Processor coresDiffers86
Processor threadsDiffers1612
System bus rateDiffers8 GT/s9.6 GT/s
Processor boost frequencyDiffers3 GHz3.7 GHz
Thermal Design Power (TDP)Differs85 W135 W
Memory bandwidth supported by processor (max)Differs68.3 GB/s76.8 GB/s
Memory1 differ
Memory clock speeds supported by processorDiffers1600,1866,2133 MHz1600,1866,2133,2400 MHz
Features1 differ
Embedded options availableDiffersYesNo
Operational conditions1 differ
TcaseDiffers74 °C75 °C
Other featuresidentical
CompatibilityKnown for oneZ840

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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