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Product comparison · 2 cpus

Acer Intel Pentium B940 vs Acer Intel Xeon E3-1220

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  • 30specifications compared
  • 15differ
  • 15identical
  • 27known for one product only

Key differences

  • Processor family
    • Intel® Pentium®
    • Intel® Xeon® E3 Family
  • Processor model
    • B940
    • E3-1220
  • Processor base frequency
    • 2 GHz
    • 3.1 GHz
  • Processor cores
    • 2
    • 4
  • Processor socket
    • PGA988
    • LGA 1155 (Socket H2)
  • Component for
    • Laptop
    • Server/workstation
  • Processor threads
    • 2
    • 4
  • Processor cache
    • 2 MB
    • 8 MB

Side by side

Differences highlightedShow differences only
57 specifications
A

Acer

Intel Pentium B940View product
B

Acer

Intel Xeon E3-1220View product
Processor10 differ
Processor familyDiffersIntel® Pentium®Intel® Xeon® E3 Family
Processor modelDiffersB940E3-1220
Processor base frequencyDiffers2 GHz3.1 GHz
Processor coresDiffers24
Processor socketDiffersPGA988LGA 1155 (Socket H2)
Processor lithography32 nm32 nm
Package typeTrayTray
Component forDiffersLaptopServer/workstation
Processor threadsDiffers24
System bus rateKnown for one5 GT/s
Processor operating modes64-bit64-bit
Processor boost frequencyKnown for one3.4 GHz
Processor cacheDiffers2 MB8 MB
Processor cache typeL3L3
Thermal Design Power (TDP)Differs35 W80 W
Bus typeKnown for oneDMI
CPU multiplier (bus/core ratio)Known for one31
Memory bandwidth supported by processor (max)Differs21.3 GB/s21 GB/s
L3 cache speedKnown for one2 GHz
Compatible chipsetsKnown for oneIntel® HM65 Express, Intel HM67 Express
SteppingKnown for oneQ0
Memory2 differ
Maximum internal memory supported by processorDiffers16 GB32 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processor1066,1333 MHz1066,1333 MHz
Memory channelsDual-channelDual-channel
ECCDiffersNoYes
Graphics1 differ
On-board graphics cardDiffersYesNo
On-board graphics card modelKnown for oneIntel® HD Graphics
On-board graphics card base frequencyKnown for one650 MHz
On-board graphics card dynamic frequency (max)Known for one1100 MHz
Number of displays supported (on-board graphics)Known for one2
Features2 differ
Execute Disable BitYesYes
Idle StatesYesYes
Thermal Monitoring TechnologiesYesYes
Market segmentDiffersMobileServer
Maximum number of PCI Express lanesDiffers12
PCI Express slots version2.02.0
PCI Express configurationsKnown for one1x16, 2x8, 1x8+2x4
Supported instruction setsKnown for oneSSE4.1, SSE4.2
CPU configuration (max)Known for one1
Graphics & IMC lithographyKnown for one32 nm
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Trusted Execution TechnologyKnown for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyKnown for one2.0
Intel Demand Based SwitchingKnown for oneYes
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel® vPro™ Platform EligibilityKnown for oneYes
Intel FDI TechnologyKnown for oneYes
Operational conditionsidentical
TcaseKnown for one69.1 °C
TjunctionKnown for one85 °C
Weight & dimensionsidentical
Processor package size37.5 mm37.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for oneVT-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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