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Product comparison · 2 cpus

HP Intel Pentium G640 vs NEC Intel Xeon E5-2403

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  • 34specifications compared
  • 22differ
  • 12identical
  • 17known for one product only

Key differences

The HP Intel Pentium G640 has 1 GHz more processor base frequency than the NEC Intel Xeon E5-2403 (2.8 GHz vs 1.8 GHz). The NEC Intel Xeon E5-2403 has 2 more processor cores than the HP Intel Pentium G640 (4 vs 2). The NEC Intel Xeon E5-2403 has 2 more processor threads than the HP Intel Pentium G640 (4 vs 2). Processor family: Intel Pentium G on the HP Intel Pentium G640, Intel® Xeon® E5 Family on the NEC Intel Xeon E5-2403. Processor model: G640 on the HP Intel Pentium G640, E5-2403 on the NEC Intel Xeon E5-2403.

  • Processor family
    • Intel Pentium G
    • Intel® Xeon® E5 Family
  • Processor model
    • G640
    • E5-2403
  • Processor base frequency
    • 2.8 GHz
    • 1.8 GHz
  • Processor cores
    • 2
    • 4
  • Processor socket
    • LGA 1155 (Socket H2)
    • LGA 1356 (Socket B2)
  • Component for
    • PC
    • Server/workstation
  • Processor threads
    • 2
    • 4
  • System bus rate
    • 5 GT/s
    • 6.4 GT/s

Side by side

Differences highlightedShow differences only
51 specifications
A

HP

Intel Pentium G640View product
B

NEC

Intel Xeon E5-2403View product
Processor13 differ
Processor familyDiffersIntel Pentium GIntel® Xeon® E5 Family
Processor modelDiffersG640E5-2403
Processor base frequencyDiffers2.8 GHz1.8 GHz
Processor coresDiffers24
Processor socketDiffersLGA 1155 (Socket H2)LGA 1356 (Socket B2)
Component forDiffersPCServer/workstation
Processor threadsDiffers24
System bus rateDiffers5 GT/s6.4 GT/s
Processor cacheDiffers3 MB10 MB
Thermal Design Power (TDP)Differs65 W80 W
VID Voltage RangeKnown for one0.6 - 1.35 V
SteppingDiffersQ0M1
Bus typeDiffersDMIQPI
Number of QPI linksKnown for one1
Memory bandwidth supported by processor (max)Differs17 GB/s25 GB/s
Memory3 differ
Maximum internal memory supported by processorDiffers32 GB375 GB
Memory clock speeds supported by processorDiffers1066 MHz800,1066 MHz
Memory channelsDiffersDual-channelTriple-channel
ECCKnown for oneYes
Graphics1 differ
On-board graphics card modelDiffersIntel® HD GraphicsNot available
On-board graphics cardKnown for oneYes
On-board graphics card base frequencyKnown for one850 MHz
On-board graphics card dynamic frequency (max)Known for one1100 MHz
Number of displays supported (on-board graphics)Known for one2
Features4 differ
Market segmentDiffersDesktopServer
PCI Express slots versionDiffers2.03.0
Supported instruction setsDiffersSSE4.1, SSE4.2AVX
CPU configuration (max)Differs12
ScalabilityKnown for oneS2S
Processor special featuresidentical
Intel Trusted Execution TechnologyKnown for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel Demand Based SwitchingKnown for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneYes
Intel® vPro™ Platform EligibilityKnown for oneYes
Intel FDI TechnologyKnown for oneYes
Intel Fast Memory AccessKnown for oneYes
Weight & dimensionsidentical
Processor package sizeKnown for one45 mm
Other features1 differ
Intel® Virtualization Technology (Intel® VT)DiffersVT-xVT-d, VT-x
Operational conditionsidentical
TcaseKnown for one69.1 °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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