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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 660 3.6GHz vs Lenovo ThinkCentre M51 P4 3.2 (540) HT 512/80G/DVD/LAN/WXP US

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  • 34specifications compared
  • 4differ
  • 30identical
  • 2known for one product only

Key differences

The Lenovo ThinkCentre A51p P4 660 3.6GHz has 0.4 GHz more processor frequency than the Lenovo ThinkCentre M51 P4 3.2 (540) HT 512/80G/DVD/LAN/WXP US (3.6 GHz vs 3.2 GHz). Internal memory type: DDR2-SDRAM on the Lenovo ThinkCentre A51p P4 660 3.6GHz, DDR-SDRAM on the Lenovo ThinkCentre M51 P4 3.2 (540) HT 512/80G/DVD/LAN/WXP US. Chassis type: Desktop on the Lenovo ThinkCentre A51p P4 660 3.6GHz, Tower on the Lenovo ThinkCentre M51 P4 3.2 (540) HT 512/80G/DVD/LAN/WXP US.

  • Processor frequency
    • 3.6 GHz
    • 3.2 GHz
  • Internal memory type
    • DDR2-SDRAM
    • DDR-SDRAM
  • Chassis type
    • Desktop
    • Tower

Side by side

Differences highlightedShow differences only
36 specifications
A

Lenovo

ThinkCentre A51p P4 660 3.6GHzView product
B

Lenovo

ThinkCentre M51 P4 3.2 (540) HT 512/80G/DVD/LAN/WXP USView product
Processor1 differ
Processor manufacturerIntelIntel
Processor familyIntel® Pentium® 4Intel® Pentium® 4
Processor frequencyDiffers3.6 GHz3.2 GHz
Processor front side bus800 MHz800 MHz
Memory1 differ
Internal memory0.5 GB0.5 GB
Maximum internal memory4 GB4 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Storageidentical
Total storage capacity80 GB80 GB
Optical drive typeDVD-ROMDVD-ROM
Storage drive typeSATASATA
Diskette drive memory1.44 MB1.44 MB
Graphicsidentical
Discrete graphics card modelIntel® GMA 900Intel® GMA 900
Video adapter, busPCI ExpressPCI Express
Performanceidentical
Product typePCPC
Optical driveidentical
DVD read speed16x16x
Networkidentical
Networking featuresEthernet/Fast Ethernet/Gigabit EthernetEthernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity88
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantity11
PS/2 ports quantity22
Parallel ports quantity11
Poweridentical
Power supply typeKnown for one110~220V
Power supply310 W310 W
Design1 differ
Chassis typeDiffersDesktopTower
Softwareidentical
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage RescueLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue
Displayidentical
Display includedNoNo
Audioidentical
Audio systemSoundMAX CadenzaSoundMAX Cadenza
Weight & dimensionsidentical
Width175 mm175 mm
Depth450 mm450 mm
Height492 mm492 mm
Weight13.5 kg13.5 kg
Other features1 differ
Security featuresDiffers-Diskette boot inhibit -Boot without keyboard or mouse -Configuration password -Boot sequence control -Power on password -Kensington Lock Standard Enabled -Parallel port I/O control -Diskette I/O control -Embedded Security Subsystem standard -Hard disk drive password -Hardfile I/O control -Secure Da-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Padlock loop -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control
Intel segment taggingKnown for oneEnterprise, Professional

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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