Product comparison · 2 cpus

Acer Intel Xeon E5540 vs Acer Intel Xeon L5506

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  • 34specifications compared
  • 11differ
  • 23identical
  • 13known for one product only

Key differences

The Acer Intel Xeon E5540 has 0.4 GHz more processor base frequency than the Acer Intel Xeon L5506 (2.53 GHz vs 2.13 GHz). The Acer Intel Xeon E5540 has 4 more processor threads than the Acer Intel Xeon L5506 (8 vs 4). The Acer Intel Xeon E5540 has 1.06 GT/s more system bus rate than the Acer Intel Xeon L5506 (5.86 GT/s vs 4.8 GT/s). Only the Acer Intel Xeon E5540 has on-board graphics card. Processor model: E5540 on the Acer Intel Xeon E5540, L5506 on the Acer Intel Xeon L5506.

  • Processor model
    • Intel Xeon E5540:E5540
    • Intel Xeon L5506:L5506
  • Processor base frequency
    • Intel Xeon E5540:2.53 GHz
    • Intel Xeon L5506:2.13 GHz
  • Processor threads
    • Intel Xeon E5540:8
    • Intel Xeon L5506:4
  • System bus rate
    • Intel Xeon E5540:5.86 GT/s
    • Intel Xeon L5506:4.8 GT/s
  • Processor cache
    • Intel Xeon E5540:8 MB
    • Intel Xeon L5506:4 MB
  • Thermal Design Power (TDP)
    • Intel Xeon E5540:80 W
    • Intel Xeon L5506:60 W
  • CPU multiplier (bus/core ratio)
    • Intel Xeon E5540:19
    • Intel Xeon L5506:16
  • Memory bandwidth supported by processor (max)
    • Intel Xeon E5540:25.6 GB/s
    • Intel Xeon L5506:19.2 GB/s

Side by side

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Comparison of Intel Xeon E5540, Intel Xeon L5506
47 specifications
Processor8 differ
Processor familyIntel® Xeon® 5000 SequenceIntel® Xeon® 5000 Sequence
Processor modelDiffersE5540L5506
Processor base frequencyDiffers2.53 GHz2.13 GHz
Processor cores44
Processor socketSocket B (LGA 1366)Socket B (LGA 1366)
Processor lithography45 nm45 nm
Component forServer/workstationServer/workstation
Processor threadsDiffers84
System bus rateDiffers5.86 GT/s4.8 GT/s
Processor boost frequencyKnown for one2.8 GHzUnknown — not stated by the source
Processor cacheDiffers8 MB4 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs80 W60 W
VID Voltage Range0.75 - 1.35 V0.75 - 1.35 V
SteppingD0D0
Bus typeQPIQPI
CPU multiplier (bus/core ratio)Differs1916
Number of QPI links22
Memory bandwidth supported by processor (max)Differs25.6 GB/s19.2 GB/s
Package typeKnown for oneUnknown — not stated by the sourceTray
Processor operating modesKnown for oneUnknown — not stated by the source64-bit
L3 cache speedKnown for oneUnknown — not stated by the source2.13 GHz
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 MHz
Memory channelsTriple-channelTriple-channel
ECCYesYes
Graphics1 differ
On-board graphics cardDiffersYesNo
Featuresidentical
Execute Disable BitYesYes
Idle StatesYesYes
Market segmentServerServer
Processing Die sizeKnown for one263 mm²Unknown — not stated by the source
Embedded options availableKnown for oneYesUnknown — not stated by the source
Physical Address Extension (PAE)Known for oneUnknown — not stated by the sourceYes
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyYesYes
Intel Trusted Execution TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYesUnknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for oneYesUnknown — not stated by the source
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
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Operational conditions1 differ
TcaseDiffers76 °C70 °C
Weight & dimensionsidentical
Package dimensions (WxDxH)Known for one42.5 x 42.5 x 45 mmUnknown — not stated by the source
Processor package sizeKnown for oneUnknown — not stated by the source42.5 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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