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Product comparison · 2 cpus

HP Intel Xeon E5-2440 vs NEC Intel Xeon E5-2640

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  • 34specifications compared
  • 8differ
  • 26identical
  • 15known for one product only

Key differences

  • Processor model
    • E5-2440
    • E5-2640
  • Processor base frequency
    • 2.4 GHz
    • 2.5 GHz
  • Processor socket
    • LGA 1356 (Socket B2)
    • LGA 2011 (Socket R)
  • Processor boost frequency
    • 2.9 GHz
    • 3 GHz
  • VID Voltage Range
    • 0.60 - 1.35 V
    • 0.6 - 1.35 V
  • Memory bandwidth supported by processor (max)
    • 32 GB/s
    • 42.6 GB/s
  • Maximum internal memory supported by processor
    • 375 GB
    • 750 GB
  • Memory channels
    • Triple-channel
    • Quad-channel

Side by side

Differences highlightedShow differences only
49 specifications
A

HP

Intel Xeon E5-2440View product
B

NEC

Intel Xeon E5-2640View product
Processor6 differ
Processor familyIntel® Xeon® E5 FamilyIntel® Xeon® E5 Family
Processor modelDiffersE5-2440E5-2640
Processor base frequencyDiffers2.4 GHz2.5 GHz
Processor cores66
Processor socketDiffersLGA 1356 (Socket B2)LGA 2011 (Socket R)
Processor lithography32 nm32 nm
Component forServer/workstationServer/workstation
Processor threads1212
System bus rate7.2 GT/s7.2 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers2.9 GHz3 GHz
Processor cache15 MB15 MB
Processor cache typeL3L3
Thermal Design Power (TDP)95 W95 W
VID Voltage RangeDiffers0.60 - 1.35 V0.6 - 1.35 V
Compatible chipsetsKnown for oneIntel® C602, Intel® C602J, Intel® C604, Intel® C606, Intel C608
Bus typeKnown for oneQPI
Number of QPI links22
Memory bandwidth supported by processor (max)Differs32 GB/s42.6 GB/s
Memory2 differ
Maximum internal memory supported by processorDiffers375 GB750 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processor800,1066,1333 MHz800,1066,1333 MHz
Memory channelsDiffersTriple-channelQuad-channel
ECCYesYes
Graphicsidentical
On-board graphics cardNoNo
Featuresidentical
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
PCI Express slots versionKnown for one3.0
Supported instruction setsKnown for oneAVX
CPU configuration (max)Known for one2
ScalabilityKnown for one2S
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyYesYes
Intel Flex Memory AccessKnown for oneYes
Intel Trusted Execution TechnologyKnown for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyYesYes
Intel Demand Based SwitchingKnown for oneYes
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® vPro™ Platform EligibilityYesYes
Operational conditionsidentical
TcaseKnown for one73 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x
Weight & dimensionsidentical
Processor package sizeKnown for one42.5 mm

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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