Product comparison · 2 cpus

HP Intel Xeon E5540 vs HP Intel Xeon W5580

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  • 40specifications compared
  • 10differ
  • 30identical
  • 4known for one product only

Key differences

The HP Intel Xeon W5580 has 0.67 GHz more processor base frequency than the HP Intel Xeon E5540 (3.2 GHz vs 2.53 GHz). The HP Intel Xeon W5580 has 0.54 GT/s more system bus rate than the HP Intel Xeon E5540 (6.4 GT/s vs 5.86 GT/s). The HP Intel Xeon W5580 has 0.66 GHz more processor boost frequency than the HP Intel Xeon E5540 (3.46 GHz vs 2.8 GHz). Processor model: E5540 on the HP Intel Xeon E5540, W5580 on the HP Intel Xeon W5580. Memory clock speeds supported by processor: 800,1066 MHz on the HP Intel Xeon E5540, 800,1066,1333 MHz on the HP Intel Xeon W5580.

  • Processor model
    • Intel Xeon E5540:E5540
    • Intel Xeon W5580:W5580
  • Processor base frequency
    • Intel Xeon E5540:2.53 GHz
    • Intel Xeon W5580:3.2 GHz
  • System bus rate
    • Intel Xeon E5540:5.86 GT/s
    • Intel Xeon W5580:6.4 GT/s
  • Processor boost frequency
    • Intel Xeon E5540:2.8 GHz
    • Intel Xeon W5580:3.46 GHz
  • Thermal Design Power (TDP)
    • Intel Xeon E5540:80 W
    • Intel Xeon W5580:130 W
  • VID Voltage Range
    • Intel Xeon E5540:0.75 - 1.35 V
    • Intel Xeon W5580:0.72 - 1.35 V
  • Memory bandwidth supported by processor (max)
    • Intel Xeon E5540:25.6 GB/s
    • Intel Xeon W5580:32 GB/s
  • Memory clock speeds supported by processor
    • Intel Xeon E5540:800,1066 MHz
    • Intel Xeon W5580:800,1066,1333 MHz

Side by side

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Comparison of Intel Xeon E5540, Intel Xeon W5580
44 specifications
Processor7 differ
Processor familyIntel® Xeon® 5000 SequenceIntel® Xeon® 5000 Sequence
Processor modelDiffersE5540W5580
Processor base frequencyDiffers2.53 GHz3.2 GHz
Processor cores44
Processor socketSocket B (LGA 1366)Socket B (LGA 1366)
Processor lithography45 nm45 nm
Component forServer/workstationServer/workstation
Processor threads88
System bus rateDiffers5.86 GT/s6.4 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyDiffers2.8 GHz3.46 GHz
Processor cache8 MB8 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs80 W130 W
VID Voltage RangeDiffers0.75 - 1.35 V0.72 - 1.35 V
SteppingD0D0
Bus typeQPIQPI
Number of QPI links22
Memory bandwidth supported by processor (max)Differs25.6 GB/s32 GB/s
CPU multiplier (bus/core ratio)Known for oneUnknown — not stated by the source24
Memory1 differ
Maximum internal memory supported by processor144 GB144 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800,1066 MHz800,1066,1333 MHz
ECCYesYes
Memory channelsKnown for oneUnknown — not stated by the sourceTriple-channel
Graphicsidentical
On-board graphics cardNoNo
Featuresidentical
Execute Disable BitYesYes
Idle StatesYesYes
Market segmentServerServer
Number of Processing Die Transistors731 M731 M
Processing Die size263 mm²263 mm²
CPU configuration (max)22
Embedded options availableKnown for oneYesUnknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyYesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Smart CacheKnown for oneYesUnknown — not stated by the source
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
Operational conditions1 differ
TcaseDiffers76 °C67 °C
Weight & dimensions1 differ
Processor package sizeDiffers42.5 mm45 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)VT-d, VT-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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