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Product comparison · 2 cpus

HP Intel Xeon E5-2640 2.5GHz vs HP Z620 Xeon E5-2665 8C 2.40GHz 20MB

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

Key differences

  • Processor model
    • E5-2640
    • E5-2665
  • Processor base frequency
    • 2.5 GHz
    • 2.4 GHz
  • Processor cores
    • 6
    • 8
  • Processor threads
    • 12
    • 16
  • System bus rate
    • 7.2 GT/s
    • 8 GT/s
  • Processor boost frequency
    • 3 GHz
    • 3.1 GHz
  • Thermal Design Power (TDP)
    • 95 W
    • 115 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

Z620 Xeon E5-2665 8C 2.40GHz 20MBView product
Processor9 differ
Processor familyIntel® Xeon® E5 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2640E5-2665
Processor base frequencyDiffers2.5 GHz2.4 GHz
Processor coresDiffers68
Processor socketLGA 2011 (Socket R)LGA 2011 (Socket R)
Processor lithography32 nm32 nm
Component forKnown for oneServer/workstation
Processor threadsDiffers1216
System bus rateDiffers7.2 GT/s8 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers3 GHz3.1 GHz
Processor cacheKnown for one20 MB
Processor cache typeKnown for oneL3
Processor front side busKnown for one1600 MHz
Thermal Design Power (TDP)Differs95 W115 W
VID Voltage RangeDiffers0.60 - 1.35 V0.6 - 1.35 V
Bus typeQPIQPI
CPU multiplier (bus/core ratio)Known for one31
Number of QPI links22
Memory bandwidth supported by processor (max)Differs42.6 GB/s51.2 GB/s
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 cardKnown for oneNo
Featuresidentical
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentKnown for oneServer
Maximum number of PCI Express lanesKnown for one40
PCI Express slots versionKnown for one3.0
CPU configuration (max)22
Embedded options availableKnown for oneNo
ScalabilityS2SS2S
Supported instruction setsKnown for oneAVX
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
TcaseDiffers73 °C81.8 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x
CompatibilityKnown for oneHP Z620

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