All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p Pentium 4 540 HT 3.2GHz vs Lenovo ThinkCentre M51

Add a product
  • 33specifications compared
  • 7differ
  • 26identical
  • 10known for one product only

Key differences

  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Internal memory type
    • DDR2-SDRAM
    • DDR-SDRAM
  • Total storage capacity
    • 160 GB
    • 80 GB
  • Discrete graphics card model
    • AMD Radeon X600 Pro
    • Intel® GMA 900
  • Operating system installed
    • Windows XP Home Edition
    • Windows XP Professional
  • Display included
    • Yes
    • No

Side by side

Differences highlightedShow differences only
43 specifications
A

Lenovo

ThinkCentre A51p Pentium 4 540 HT 3.2GHzView product
B

Lenovo

ThinkCentre M51View product
Processoridentical
Processor manufacturerIntelIntel
Processor familyIntel® Pentium® 4Intel® Pentium® 4
Processor frequency3.2 GHz3.2 GHz
Processor front side bus800 MHz800 MHz
Memory2 differ
Internal memoryDiffers0.25 GB0.5 GB
Maximum internal memory4 GB4 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Storage1 differ
Total storage capacityDiffers160 GB80 GB
Optical drive typeDVD-ROMDVD-ROM
HDD interfaceSATASATA
Diskette drive memory1.44 MB1.44 MB
HDD speedKnown for one7200 RPM
Graphics1 differ
Discrete graphics card modelDiffersAMD Radeon X600 ProIntel® GMA 900
Video adapter, busKnown for onePCI Express
Performanceidentical
Product typePCPC
Optical driveidentical
CD read speedKnown for one48x
CD write speedKnown for one48x
CD rewrite speedKnown for one32x
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
Firewire (IEEE 1394) portsKnown for one1
Parallel ports quantity11
Modem (RJ-11) portsKnown for one1
Line-outKnown for oneYes
Line-inKnown for oneYes
Poweridentical
Power supply310 W310 W
Designidentical
Chassis typeTowerTower
Software1 differ
Operating system installedDiffersWindows XP Home EditionWindows XP Professional
Bundled softwareLotus Notes Stand-alone Client (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 and Recovery with Rapid RestoreLotus Notes Stand-alone Client (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 and Recovery with Rapid Restore
Display1 differ
Display includedDiffersYesNo
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-Boot sequence control -Diskette I/O control -Diskette boot inhibit -Boot without keyboard or mouse -Configuration password -Secure Data Disposal -Serial port I/O control -Power on password -Parallel port I/O control -Embedded Security Subsystem standard -Hard disk drive password -Hardfile I/O contr-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.

More pcs/workstations comparisons

All pcs/workstations comparisons