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Product comparison · 2 cpus

HP Intel Xeon E5450, HPM FIO vs NEC Intel Xeon E5640

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  • 23specifications compared
  • 10differ
  • 13identical
  • 25known for one product only

Key differences

  • Processor model
    • E5450
    • E5640
  • Processor base frequency
    • 3 GHz
    • 2.66 GHz
  • Processor socket
    • LGA 771 (Socket J)
    • Socket B (LGA 1366)
  • Processor lithography
    • 45 nm
    • 32 nm
  • Processor threads
    • 4
    • 8
  • Processor operating modes
    • 32-bit, 64-bit
    • 64-bit
  • Processor cache type
    • L2
    • L3
  • VID Voltage Range
    • 0.85 - 1.35 V
    • 0.75 - 1.35 V

Side by side

Differences highlightedShow differences only
48 specifications
A

HP

Intel Xeon E5450, HPM FIOView product
B

NEC

Intel Xeon E5640View product
Processor8 differ
Processor familyIntel® Xeon® 5000 SequenceIntel® Xeon® 5000 Sequence
Processor modelDiffersE5450E5640
Processor base frequencyDiffers3 GHz2.66 GHz
Processor cores44
Processor socketDiffersLGA 771 (Socket J)Socket B (LGA 1366)
Processor lithographyDiffers45 nm32 nm
Component forServer/workstationServer/workstation
Processor threadsDiffers48
System bus rateKnown for one5.86 GT/s
Processor operating modesDiffers32-bit, 64-bit64-bit
Processor boost frequencyKnown for one2.93 GHz
Processor cache12 MB12 MB
Processor cache typeDiffersL2L3
Thermal Design Power (TDP)80 W80 W
VID Voltage RangeDiffers0.85 - 1.35 V0.75 - 1.35 V
SteppingKnown for oneB1
Bus typeKnown for oneQPI
Number of QPI linksKnown for one2
Memory bandwidth supported by processor (max)Known for one25.6 GB/s
Processor front side busKnown for one1333 MHz
FSB ParityKnown for oneYes
Memoryidentical
Maximum internal memory supported by processorKnown for one288 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800,1066 MHz
Memory channelsKnown for oneTriple-channel
ECCKnown for oneYes
Graphicsidentical
On-board graphics cardNoNo
Featuresidentical
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentServerServer
Supported instruction setsKnown for oneSSE4.2
CPU configuration (max)Known for one2
Physical Address Extension (PAE)Known for oneYes
Number of Processing Die TransistorsKnown for one820 M
Processing Die sizeKnown for one214 mm²
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyYesYes
Intel Trusted Execution TechnologyKnown for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyKnown for oneYes
Intel Demand Based SwitchingYesYes
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)Known for oneYes
Operational conditions1 differ
TcaseDiffers67 °C77.6 °C
Other features1 differ
Intel® Virtualization Technology (Intel® VT)DiffersVT-xVT-d, VT-x

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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