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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 Pentium 4 3.0GHz vs Lenovo TS ThinkCentre A51 P4 531-3.0G

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  • 84specifications compared
  • 12differ
  • 72identical
  • 8known for one product only

Key differences

The Lenovo ThinkCentre A51 Pentium 4 3.0GHz has 2 GB more maximum internal memory than the Lenovo TS ThinkCentre A51 P4 531-3.0G (4 GB vs 2 GB). The Lenovo ThinkCentre A51 Pentium 4 3.0GHz has 85 W more power supply than the Lenovo TS ThinkCentre A51 P4 531-3.0G (310 W vs 225 W). The Lenovo TS ThinkCentre A51 P4 531-3.0G has 131 mm more width than the Lenovo ThinkCentre A51 Pentium 4 3.0GHz (309 mm vs 178 mm). Internal memory type: DDR2-SDRAM on the Lenovo ThinkCentre A51 Pentium 4 3.0GHz, DDR-SDRAM on the Lenovo TS ThinkCentre A51 P4 531-3.0G. Optical drive type: CD-ROM on the Lenovo ThinkCentre A51 Pentium 4 3.0GHz, DVD-ROM on the Lenovo TS ThinkCentre A51 P4 531-3.0G.

  • Maximum internal memory
    • 4 GB
    • 2 GB
  • Internal memory type
    • DDR2-SDRAM
    • DDR-SDRAM
  • Optical drive type
    • CD-ROM
    • DVD-ROM
  • Power supply
    • 310 W
    • 225 W
  • Chassis type
    • Tower
    • SFF
  • Width
    • 178 mm
    • 309 mm
  • Depth
    • 450 mm
    • 359 mm
  • Height
    • 432 mm
    • 85 mm

Side by side

Differences highlightedShow differences only
92 specifications
A

Lenovo

ThinkCentre A51 Pentium 4 3.0GHzView product
B

Lenovo

TS ThinkCentre A51 P4 531-3.0GView 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 memory0.25 GB0.25 GB
Maximum internal memoryDiffers4 GB2 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Storage1 differ
Total storage capacity80 GB80 GB
Optical drive typeDiffersCD-ROMDVD-ROM
HDD interfaceKnown for oneSATA
Diskette drive memory1.44 MB1.44 MB
Storage drive typeKnown for oneSATA
Graphicsidentical
Discrete graphics card modelIntel® GMA 900Intel® GMA 900
Video adapter, busPCI ExpressPCI Express
Video adapter resolutionKnown for one2048x1536 16777216 colors
Performanceidentical
Product typePCPC
Optical driveidentical
CD read speedKnown for one48x
DVD read speedKnown for one16x
Network1 differ
Networking featuresDiffersEthernet/Fast EthernetEthernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one6
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantity11
PS/2 ports quantity22
Serial ports quantityKnown for one1
Parallel ports quantity11
I/O portsKnown for one8x USB 2.0
Power1 differ
Power supplyDiffers310 W225 W
Design1 differ
Chassis typeDiffersTowerSFF
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 RestoreLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), IBM Director Agent (web deliverable), Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics
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
WidthDiffers178 mm309 mm
DepthDiffers450 mm359 mm
HeightDiffers432 mm85 mm
WeightDiffers10.5 kg8.3 kg
Other features1 differ
Security featuresDiffers-Boot sequence control -U-Bolt anchoring feature -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -Hardfile I/O control -Diskette boot inhibit -Diskette I/O control -Boot without keyboard or mouse -Configuration password-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive 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 featu

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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