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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 3.00GHz 512MB 160 GB WXPP vs Lenovo ThinkCentre A51p P4-3.2 (640) HT 512/80G/DVD/LAN/WXP US

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  • 77specifications compared
  • 22differ
  • 55identical
  • 33known for one product only

Key differences

The Lenovo ThinkCentre A51p P4-3.2 (640) HT 512/80G/DVD/LAN/WXP US has 110 more processor model than the Lenovo ThinkCentre A51p P4 3.00GHz 512MB 160 GB WXPP (640 vs 530). The Lenovo ThinkCentre A51p P4-3.2 (640) HT 512/80G/DVD/LAN/WXP US has 1 more processor threads than the Lenovo ThinkCentre A51p P4 3.00GHz 512MB 160 GB WXPP (2 vs 1). The Lenovo ThinkCentre A51p P4-3.2 (640) HT 512/80G/DVD/LAN/WXP US has 1.47 GHz more processor frequency than the Lenovo ThinkCentre A51p P4 3.00GHz 512MB 160 GB WXPP (3.2 GHz vs 1.73 GHz). Only the Lenovo ThinkCentre A51p P4 3.00GHz 512MB 160 GB WXPP has embedded options available. Only the Lenovo ThinkCentre A51p P4-3.2 (640) HT 512/80G/DVD/LAN/WXP US has enhanced Intel SpeedStep Technology.

  • Processor model
    • 530
    • 640
  • Processor threads
    • 1
    • 2
  • Processor frequency
    • 1.73 GHz
    • 3.2 GHz
  • Processor cache
    • 1 MB
    • 2 MB
  • Processor front side bus
    • 533 MHz
    • 800 MHz
  • Processor lithography
    • 65 nm
    • 90 nm
  • Processor codename
    • Merom
    • Prescott
  • Thermal Design Power (TDP)
    • 27 W
    • 84 W

Side by side

Differences highlightedShow differences only
110 specifications
A

Lenovo

ThinkCentre A51p P4 3.00GHz 512MB 160 GB WXPPView product
B

Lenovo

ThinkCentre A51p P4-3.2 (640) HT 512/80G/DVD/LAN/WXP USView product
Processor14 differ
Processor modelDiffers530640
Processor threadsDiffers12
Processor frequencyDiffers1.73 GHz3.2 GHz
Processor cacheDiffers1 MB2 MB
Processor front side busDiffers533 MHz800 MHz
Processor lithographyDiffers65 nm90 nm
Processor codenameDiffersMeromPrescott
Thermal Design Power (TDP)Differs27 W84 W
TcaseDiffers67.7 °C66.6 °C
TjunctionKnown for one100 °C
Processor socketDiffersSocket AM2LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers291 M169 M
Processing Die sizeDiffers143 mm²135 mm²
CPU multiplier (bus/core ratio)Differs1416
Processor core voltage (AC)Differs0.95 - 1.30 V1.25 - 1.388 V
SteppingKnown for oneA1
PCI Express slots versionKnown for one2.0
Maximum internal memory supported by processorKnown for one32 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one1066 MHz
Memory bandwidth supported by processor (max)Known for one17 GB/s
Memoryidentical
Memory channelsKnown for oneDual-channel
Storage1 differ
Total storage capacityDiffers160 GB80 GB
Optical drive typeKnown for oneDVD-ROM
Graphicsidentical
Video adapter resolutionKnown for one2048x1536 16777216 colors
On-board graphics cardKnown for oneYes
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics
Number of displays supported (on-board graphics)Known for one2
On-board graphics card base frequencyKnown for one850 MHz
On-board graphics card dynamic frequency (max)Known for one1100 MHz
Ports & interfacesidentical
DVI portKnown for oneNo
Firewire (IEEE 1394) portsKnown for one0
S/PDIF out portKnown for oneNo
SmartCard slotKnown for oneNo
TV-outKnown for oneNo
Serial ports quantityKnown for one0
Modem (RJ-11) portsKnown for one0
USB 1.1 ports quantityKnown for one0
Processor special features6 differ
Embedded options availableDiffersYesNo
Enhanced Intel SpeedStep TechnologyDiffersNoYes
Intel Dual Display Capable TechnologyKnown for oneNo
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Processor ARK IDDiffers2973327480
Processor codeKnown for oneSLA2G
Processor package sizeDiffers35 mm37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
CPU configuration (max)Known for one1
Supported instruction setsKnown for oneSSE4.1/4.2
Other features1 differ
Security featuresDiffers-Configuration password -Boot sequence control -Boot without keyboard or mouse -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Kensington Lock Standard Enabled -Hard disk drive password -Embedded Security Subsystem standard -Parallel port I/O control Serial port I/O control -Secu-Boot without keyboard or mouse -Configuration password -Boot sequence control -Serial port I/O control -Secure Data Disposal -Parallel port I/O control -Power on password -Kensington Lock Standard Enabled -Hardfile I/O control -Diskette boot inhibit -Diskette I/O control -Embedded Security Subsyste
Optical driveidentical
DVD read speedKnown for one16x

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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