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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 vs Lenovo THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++)

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  • 77specifications compared
  • 10differ
  • 67identical
  • 18known for one product only

Key differences

  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Internal memory type
    • DDR-SDRAM
    • DDR2-SDRAM
  • Power supply type
    • 115~230V
    • 110~220V
  • Power supply
    • 225 W
    • 310 W
  • Chassis type
    • SFF
    • Desktop
  • Width
    • 309 mm
    • 175 mm
  • Depth
    • 359 mm
    • 450 mm
  • Height
    • 85 mm
    • 492 mm

Side by side

Differences highlightedShow differences only
95 specifications
A

Lenovo

ThinkCentre A51View product
B

Lenovo

THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++)View 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 memoryDiffers0.25 GB0.5 GB
Internal memory typeDiffersDDR-SDRAMDDR2-SDRAM
Cache internalKnown for one1.024 MB
Storageidentical
Total storage capacity80 GB80 GB
Optical drive typeDVD-ROMDVD-ROM
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
Diskette drive memory1.44 MB1.44 MB
Storage drive typeKnown for oneSerial ATA
Graphicsidentical
Discrete graphics card modelIntel® GMA 900Intel® GMA 900
Video adapter resolution2048x1536 16777216 colors2048x1536 16777216 colors
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 quantityKnown for one8
Ethernet LAN (RJ-45) portsKnown for one1
Headphone outputsKnown for one1
Line-outKnown for oneYes
Line-inKnown for oneYes
Microphone inKnown for oneYes
VGA (D-Sub) ports quantityKnown for one1
PS/2 ports quantityKnown for one2
Parallel ports quantityKnown for one1
I/O portsKnown for one-1 Parallel -External microphone (front) -External Display -Headphone/line out (front) -RJ-45 -8 USB 2.0 (2 front, 6 back) -Keyboard (PS/2) -Mouse (PS/2)
Power2 differ
Power supply typeDiffers115~230V110~220V
Power supplyDiffers225 W310 W
Design1 differ
Chassis typeDiffersSFFDesktop
Softwareidentical
Operating system installedKnown for oneWindows XP Professional
Bundled softwareKnown for oneAccess IBM 4.0, IBM Client Security Software (web-downloadable), IBM Director Agent (web deliverable), IBM Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics
Compatible operating systemsKnown for oneMicrosoft Windows XP Professional
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
Weight & dimensions4 differ
WidthDiffers309 mm175 mm
DepthDiffers359 mm450 mm
HeightDiffers85 mm492 mm
WeightDiffers8.5 kg13.5 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 -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-Serial port I/O control -Secure Data Disposal -Parallel port I/O control -Power on password -Kensington Lock Standard Enabled -Hard disk drive password -Hardfile I/O control -Embedded Security Subsystem standard -Diskette I/O control -Diskette boot inhibit -Configuration password -Boot sequence con
Audioidentical
Audio systemKnown for oneSoundMAX Cadenza

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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