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Product comparison · 2 cpus

Acer Intel Xeon E5645 vs Fujitsu Xeon E5-2420 6C/12T 1.9GHz

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  • 36specifications compared
  • 10differ
  • 26identical
  • 15known for one product only

Key differences

The Acer Intel Xeon E5645 has 0.5 GHz more processor base frequency than the Fujitsu Xeon E5-2420 6C/12T 1.9GHz (2.4 GHz vs 1.9 GHz). The Fujitsu Xeon E5-2420 6C/12T 1.9GHz has 1.34 GT/s more system bus rate than the Acer Intel Xeon E5645 (7.2 GT/s vs 5.86 GT/s). The Acer Intel Xeon E5645 has 0.27 GHz more processor boost frequency than the Fujitsu Xeon E5-2420 6C/12T 1.9GHz (2.67 GHz vs 2.4 GHz). Processor family: Intel® Xeon® 5000 Sequence on the Acer Intel Xeon E5645, Intel® Xeon® E5 Family on the Fujitsu Xeon E5-2420 6C/12T 1.9GHz. Processor model: E5645 on the Acer Intel Xeon E5645, E5-2420 on the Fujitsu Xeon E5-2420 6C/12T 1.9GHz.

  • Processor family
    • Intel® Xeon® 5000 Sequence
    • Intel® Xeon® E5 Family
  • Processor model
    • E5645
    • E5-2420
  • Processor base frequency
    • 2.4 GHz
    • 1.9 GHz
  • Processor socket
    • Socket B (LGA 1366)
    • LGA 1356 (Socket B2)
  • System bus rate
    • 5.86 GT/s
    • 7.2 GT/s
  • Processor boost frequency
    • 2.67 GHz
    • 2.4 GHz
  • Processor cache
    • 12 MB
    • 15 MB
  • Thermal Design Power (TDP)
    • 80 W
    • 95 W

Side by side

Differences highlightedShow differences only
51 specifications
A

Acer

Intel Xeon E5645View product
B

Fujitsu

Xeon E5-2420 6C/12T 1.9GHzView product
Processor9 differ
Processor familyDiffersIntel® Xeon® 5000 SequenceIntel® Xeon® E5 Family
Processor modelDiffersE5645E5-2420
Processor base frequencyDiffers2.4 GHz1.9 GHz
Processor socketDiffersSocket B (LGA 1366)LGA 1356 (Socket B2)
System bus rateDiffers5.86 GT/s7.2 GT/s
Processor boost frequencyDiffers2.67 GHz2.4 GHz
Processor cacheDiffers12 MB15 MB
Thermal Design Power (TDP)Differs80 W95 W
VID Voltage RangeDiffers0.75 - 1.35 V0.6 - 1.35 V
Bus typeKnown for oneQPI
Number of QPI linksKnown for one1
Package typeKnown for oneTray
L3 cache speedKnown for one2.4 GHz
SteppingKnown for oneB1
CPU multiplier (bus/core ratio)Known for one18
Memory1 differ
Maximum internal memory supported by processorDiffers288 GB375 GB
Featuresidentical
Thermal Monitoring TechnologiesKnown for oneYes
Maximum number of PCI Express lanesKnown for one24
PCI Express slots versionKnown for one3.0
Embedded options availableKnown for oneNo
ScalabilityKnown for oneS2S
Processor special featuresidentical
Intel Flex Memory AccessKnown for oneYes
Intel® Smart CacheKnown for oneYes
Intel® vPro™ Platform EligibilityKnown for oneYes
Operational conditionsidentical
TcaseKnown for one76.2 °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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