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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 P4 515 2.93GHz vs Lenovo ThinkCentre M51 P4 531HT 512MB 40GB XPP

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  • 32specifications compared
  • 13differ
  • 19identical
  • 7known for one product only

Key differences

  • Processor frequency
    • 2.93 GHz
    • 3 GHz
  • Processor front side bus
    • 533 MHz
    • 800 MHz
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Internal memory type
    • DDR2-SDRAM
    • DDR-SDRAM
  • Optical drive type
    • CD-ROM
    • DVD-ROM
  • USB 2.0 ports quantity
    • 6
    • 8
  • Chassis type
    • Tower
    • Desktop
  • Width
    • 178 mm
    • 442 mm

Side by side

Differences highlightedShow differences only
39 specifications
A

Lenovo

ThinkCentre A51 P4 515 2.93GHzView product
B

Lenovo

ThinkCentre M51 P4 531HT 512MB 40GB XPPView product
Processor2 differ
Processor manufacturerIntelIntel
Processor familyIntel® Pentium® 4Intel® Pentium® 4
Processor frequencyDiffers2.93 GHz3 GHz
Processor front side busDiffers533 MHz800 MHz
Memory2 differ
Internal memoryDiffers0.25 GB0.5 GB
Maximum internal memory4 GB4 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Storage1 differ
Total storage capacity40 GB40 GB
Optical drive typeDiffersCD-ROMDVD-ROM
Storage drive typeKnown for oneSATA
Diskette drive memory1.44 MB1.44 MB
HDD interfaceKnown for oneSATA
Graphicsidentical
Discrete graphics card modelIntel® GMA 900Intel® GMA 900
Maximum graphics card memoryKnown for one0.004 GB
Video adapter, busPCI ExpressPCI Express
Performanceidentical
Product typePCPC
Optical driveidentical
DVD read speedKnown for one16x
CD read speedKnown for one48x
Network1 differ
Networking featuresDiffersEthernet/Fast EthernetEthernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers68
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantity11
PS/2 ports quantity22
Serial ports quantity11
Parallel ports quantity11
Poweridentical
Power supply310 W310 W
Design1 differ
Chassis typeDiffersTowerDesktop
Software1 differ
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareDiffersLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium, Access program, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics, ThinkVantage Rescue and Recovery with Rapid RestorePC Doctor, Norton AntiVirus 2004 (OEM), ThinkVantage Rescue and Recovery, IBM Director Agent (free download), Access Program, Lotus Notes Stand-alone Client licence, Lotus SmartSuite Millennium licence
Displayidentical
Display includedNoNo
Audioidentical
Audio systemSoundMAX CadenzaSoundMAX Cadenza
Weight & dimensions3 differ
WidthDiffers178 mm442 mm
DepthDiffers450 mm401 mm
HeightDiffers430 mm146 mm
WeightKnown for one14 kg
Other features1 differ
Security featuresDiffers-Boot sequence control -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature-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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