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Product comparison · 2 cpus

HP 645836-L21 processor vs Lenovo Intel Xeon E7-8837

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  • 14specifications compared
  • 8differ
  • 6identical
  • 3known for one product only

Key differences

The HP 645836-L21 processor has 0.84 GHz more processor base frequency than the Lenovo Intel Xeon E7-8837 (3.5 GHz vs 2.66 GHz). The Lenovo Intel Xeon E7-8837 has 4 more processor cores than the HP 645836-L21 processor (8 vs 4). The Lenovo Intel Xeon E7-8837 has 1.4 GT/s more system bus rate than the HP 645836-L21 processor (6.4 GT/s vs 5 GT/s). Processor family: Intel® Xeon® E3 Family on the HP 645836-L21 processor, Intel® Xeon® E7 Family on the Lenovo Intel Xeon E7-8837. Processor model: E3-1280 on the HP 645836-L21 processor, E7-8837 on the Lenovo Intel Xeon E7-8837.

  • Processor family
    • Intel® Xeon® E3 Family
    • Intel® Xeon® E7 Family
  • Processor model
    • E3-1280
    • E7-8837
  • Processor base frequency
    • 3.5 GHz
    • 2.66 GHz
  • Processor cores
    • 4
    • 8
  • Processor socket
    • LGA 1155 (Socket H2)
    • LGA 1567 (Socket LS)
  • System bus rate
    • 5 GT/s
    • 6.4 GT/s
  • Processor cache
    • 8 MB
    • 24 MB
  • Thermal Design Power (TDP)
    • 95 W
    • 130 W

Side by side

Differences highlightedShow differences only
17 specifications
A

HP

645836-L21 processor

Model 645836-L21

View product
B

Lenovo

Intel Xeon E7-8837View product
Processor8 differ
Processor familyDiffersIntel® Xeon® E3 FamilyIntel® Xeon® E7 Family
Processor modelDiffersE3-1280E7-8837
Processor base frequencyDiffers3.5 GHz2.66 GHz
Processor coresDiffers48
Processor socketDiffersLGA 1155 (Socket H2)LGA 1567 (Socket LS)
Processor lithography32 nm32 nm
Component forServer/workstationServer/workstation
Processor threads88
System bus rateDiffers5 GT/s6.4 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyKnown for one2.8 GHz
Processor cacheDiffers8 MB24 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs95 W130 W
CPU multiplier (bus/core ratio)Known for one20
Featuresidentical
Market segmentServerServer
Operational conditionsidentical
Maximum operating temperatureKnown for one69 °C

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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