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Product comparison · 2 pcs/workstations

HP 620 Intel® Xeon® E5 Family E5-2620 vs HP 820 Intel® Xeon® E5 Family E5-2643

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  • 124specifications compared
  • 28differ
  • 96identical
  • 19known for one product only

Key differences

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

Side by side

Differences highlightedShow differences only
143 specifications
A

HP

620 Intel® Xeon® E5 Family E5-2620

Model 620

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B

HP

820 Intel® Xeon® E5 Family E5-2643

Model 820

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Processor13 differ
Processor modelDiffersE5-2620E5-2643
Processor coresDiffers64
Processor threadsDiffers128
Processor boost frequencyDiffers2.5 GHz3.5 GHz
Processor frequencyDiffers2 GHz3.3 GHz
Processor cacheDiffers15 MB10 MB
System bus rateDiffers7.2 GT/s8 GT/s
Thermal Design Power (TDP)Differs95 W130 W
TcaseDiffers77.4 °C73 °C
CPU multiplier (bus/core ratio)Differs2535
SteppingDiffersC2M1
Memory clock speeds supported by processorDiffers800,1066,1333 MHz800,1066,1333,1600 MHz
Memory bandwidth supported by processor (max)Differs42.6 GB/s51.2 GB/s
Memory3 differ
Internal memoryDiffers16 GB32 GB
Maximum internal memoryDiffers192 GB512 GB
Memory slotsDiffers12x DIMM16x DIMM
ECCKnown for oneYes
Storageidentical
Compatible memory cardsKnown for oneMMC, SD, SDXC, SDHC
RAID supportKnown for oneYes
RAID levelsKnown for one0, 1, 10
Optical driveidentical
LightScribeKnown for oneNo
Networkidentical
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Wi-Fi standardsKnown for oneNot supported
Ports & interfaces1 differ
HDMI ports quantityKnown for one0
Combo headphone/mic portKnown for oneNo
DVI portKnown for oneNo
PS/2 ports quantityDiffers02
S/PDIF out portKnown for oneNo
DC-in jackKnown for oneNo
SmartCard slotKnown for oneNo
Serial ports quantityKnown for one1
Expansion slots2 differ
Number of 3.5" baysDiffers34
PCI Express x4 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsDiffers23
PCI Express x8 (Gen 2.x) slotsKnown for one1
Power1 differ
Power supplyDiffers800 W1125 W
Design1 differ
Chassis typeDiffersMinitowerMini Tower
Processor special features3 differ
Embedded options availableDiffersYesNo
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Processor ARK IDDiffers6459464587
Intel® Smart Response TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyDiffers1.02.0
Weight & dimensions4 differ
WidthDiffers171.5 mm203 mm
DepthDiffers464.8 mm525 mm
HeightDiffers444.5 mm444 mm
WeightDiffers15.5 kg19.5 kg
Packaging contentidentical
AC adapter includedKnown for oneNo

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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