Product comparison · 2 cpus

Acer Intel Xeon E5506 vs Acer Intel Xeon L5520

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  • 40specifications compared
  • 11differ
  • 29identical
  • 3known for one product only

Key differences

The Acer Intel Xeon L5520 has 0.13 GHz more processor base frequency than the Acer Intel Xeon E5506 (2.26 GHz vs 2.13 GHz). The Acer Intel Xeon L5520 has 4 more processor threads than the Acer Intel Xeon E5506 (8 vs 4). The Acer Intel Xeon L5520 has 1.06 GT/s more system bus rate than the Acer Intel Xeon E5506 (5.86 GT/s vs 4.8 GT/s). Processor model: E5506 on the Acer Intel Xeon E5506, L5520 on the Acer Intel Xeon L5520. Memory clock speeds supported by processor: 800 MHz on the Acer Intel Xeon E5506, 800,1066 MHz on the Acer Intel Xeon L5520.

  • Processor model
    • Intel Xeon E5506:E5506
    • Intel Xeon L5520:L5520
  • Processor base frequency
    • Intel Xeon E5506:2.13 GHz
    • Intel Xeon L5520:2.26 GHz
  • Processor threads
    • Intel Xeon E5506:4
    • Intel Xeon L5520:8
  • System bus rate
    • Intel Xeon E5506:4.8 GT/s
    • Intel Xeon L5520:5.86 GT/s
  • Processor cache
    • Intel Xeon E5506:4 MB
    • Intel Xeon L5520:8 MB
  • L3 cache speed
    • Intel Xeon E5506:2.13 GHz
    • Intel Xeon L5520:2.26 GHz
  • Thermal Design Power (TDP)
    • Intel Xeon E5506:80 W
    • Intel Xeon L5520:60 W
  • CPU multiplier (bus/core ratio)
    • Intel Xeon E5506:16
    • Intel Xeon L5520:17

Side by side

Differences highlightedShow differences only (off)
Comparison of Intel Xeon E5506, Intel Xeon L5520
43 specifications
Processor9 differ
Processor familyIntel® Xeon® 5000 SequenceIntel® Xeon® 5000 Sequence
Processor modelDiffersE5506L5520
Processor base frequencyDiffers2.13 GHz2.26 GHz
Processor cores44
Processor socketSocket B (LGA 1366)Socket B (LGA 1366)
Processor lithography45 nm45 nm
Package typeTrayTray
Component forServer/workstationServer/workstation
Processor threadsDiffers48
System bus rateDiffers4.8 GT/s5.86 GT/s
Processor operating modes64-bit64-bit
Processor cacheDiffers4 MB8 MB
Processor cache typeL3L3
L3 cache speedDiffers2.13 GHz2.26 GHz
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)Differs1617
Number of QPI links22
Memory bandwidth supported by processor (max)Differs19.2 GB/s25.6 GB/s
Memory1 differ
Maximum internal memory supported by processor144 GB144 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers800 MHz800,1066 MHz
Memory channelsTriple-channelTriple-channel
ECCYesYes
Graphicsidentical
On-board graphics cardNoNo
Featuresidentical
Execute Disable BitYesYes
Idle StatesYesYes
Market segmentServerServer
Number of Processing Die TransistorsKnown for oneUnknown — not stated by the source731 M
Processing Die sizeKnown for oneUnknown — not stated by the source263 mm²
Physical Address Extension (PAE)YesYes
CPU configuration (max)Known for one2Unknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyYesYes
Intel® Smart CacheYesYes
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 °C70 °C
Weight & dimensionsidentical
Processor package size42.5 mm42.5 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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