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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M51 P4 530 3.0GHz vs Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP

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  • 86specifications compared
  • 10differ
  • 76identical
  • 4known for one product only

Key differences

The Lenovo ThinkCentre M51 P4 530 3.0GHz has 0.25 GB more internal memory than the Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP (0.5 GB vs 0.25 GB). The Lenovo ThinkCentre M51 P4 530 3.0GHz has 2 GB more maximum internal memory than the Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP (4 GB vs 2 GB). The Lenovo ThinkCentre M51 P4 530 3.0GHz has 85 W more power supply than the Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP (310 W vs 225 W). Optical drive type: CD-ROM on the Lenovo ThinkCentre M51 P4 530 3.0GHz, DVD-ROM on the Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP. Chassis type: Tower on the Lenovo ThinkCentre M51 P4 530 3.0GHz, Small Desktop on the Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP.

  • Internal memory
    • 0.5 GB
    • 0.25 GB
  • Maximum internal memory
    • 4 GB
    • 2 GB
  • Optical drive type
    • CD-ROM
    • DVD-ROM
  • Power supply
    • 310 W
    • 225 W
  • Chassis type
    • Tower
    • Small Desktop
  • Width
    • 175 mm
    • 127 mm
  • Depth
    • 450 mm
    • 390 mm
  • Height
    • 492 mm
    • 346 mm

Side by side

Differences highlightedShow differences only
90 specifications
A

Lenovo

ThinkCentre M51 P4 530 3.0GHzView product
B

Lenovo

TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXPView product
Processoridentical
Processor manufacturerIntelIntel
Processor familyIntel® Pentium® 4Intel® Pentium® 4
Processor model530530
Processor cores11
Processor threads11
Processor frequency1.73 GHz1.73 GHz
Processor cache1 MB1 MB
Processor cache typeL2L2
Processor front side bus533 MHz533 MHz
Bus typeFSBFSB
FSB ParityNoNo
Processor lithography65 nm65 nm
Processor operating modes64-bit64-bit
Processor codenameMeromMerom
Thermal Design Power (TDP)27 W27 W
Tcase67.7 °C67.7 °C
Tjunction100 °C100 °C
Processor socketSocket AM2Socket AM2
Number of Processing Die Transistors291 M291 M
Processing Die size143 mm²143 mm²
CPU multiplier (bus/core ratio)1414
Processor core voltage (AC)0.95 - 1.30 V0.95 - 1.30 V
SteppingA1A1
ECC supported by processorNoNo
Memory2 differ
Internal memoryDiffers0.5 GB0.25 GB
Maximum internal memoryDiffers4 GB2 GB
Internal memory typeDDR-SDRAMDDR-SDRAM
Storage1 differ
Total storage capacity40 GB40 GB
Optical drive typeDiffersCD-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
CD read speedKnown for one48x
DVD read speedKnown for one16x
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
Power1 differ
Power supply typeKnown for one110~220V
Power supplyDiffers310 W225 W
Design1 differ
Chassis typeDiffersTowerSmall Desktop
Softwareidentical
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Norton AntiVirus 2004, PC Doctor diagnostics, Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, IBM Director Agent (web deliverable)Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Norton AntiVirus 2004, PC Doctor diagnostics, Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, IBM Director Agent (web deliverable)
Displayidentical
Display includedNoNo
Processor special featuresidentical
Embedded options availableYesYes
Enhanced Intel SpeedStep TechnologyNoNo
Execute Disable BitYesYes
Idle StatesNoNo
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateNoNo
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)NoNo
Intel Virtualization Technology (VT-x)NoNo
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Processor ARK ID2973329733
Processor codeSLA2GSLA2G
Processor package size35 mm35 mm
Thermal Monitoring TechnologiesNoNo
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Audioidentical
Audio systemSoundMAX CadenzaSoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers175 mm127 mm
DepthDiffers450 mm390 mm
HeightDiffers492 mm346 mm
WeightDiffers13.5 kg8.5 kg
Other features1 differ
Security featuresDiffers-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-U-Bolt anchoring feature -Security slot (for attachment of optional cable lock) -Serial port I/O control -Power on password -Parallel port I/O control -Hard disk drive password -Hard drive I/O control -Diskette I/O control -Configuration password -Diskette Boot inhibit -Boot without keyboard or mou
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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