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Product comparison · 2 pcs/workstations

Lenovo THINKCENTRE A50 SFF P4-3.0 (HT) 256/40G/DVD/WXP 3YR TS(++) vs Lenovo THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++)

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  • 28specifications compared
  • 18differ
  • 10identical
  • 55known for one product only

Key differences

  • Processor frequency
    • 3 GHz
    • 1.73 GHz
  • Processor front side bus
    • 800 MHz
    • 533 MHz
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Internal memory type
    • DDR-SDRAM
    • DDR2-SDRAM
  • Total storage capacity
    • 40 GB
    • 80 GB
  • Storage drive type
    • ATA-100 (Enhanced IDE)
    • Serial ATA
  • Video adapter resolution
    • 1920x1200 16777216 colors
    • 2048x1536 16777216 colors
  • Video adapter, bus
    • Direct AGP
    • PCI Express

Side by side

Differences highlightedShow differences only
83 specifications
A

Lenovo

THINKCENTRE A50 SFF P4-3.0 (HT) 256/40G/DVD/WXP 3YR TS(++)View product
B

Lenovo

THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++)View product
Processor2 differ
Processor manufacturerIntelIntel
Processor familyIntel® Pentium® 4Intel® Pentium® 4
Processor modelKnown for one530
Processor coresKnown for one1
Processor threadsKnown for one1
Processor frequencyDiffers3 GHz1.73 GHz
Processor cacheKnown for one1 MB
Processor cache typeKnown for oneL2
Processor front side busDiffers800 MHz533 MHz
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
Processor lithographyKnown for one65 nm
Processor operating modesKnown for one64-bit
Processor codenameKnown for oneMerom
Thermal Design Power (TDP)Known for one27 W
TcaseKnown for one67.7 °C
TjunctionKnown for one100 °C
Processor socketKnown for oneSocket AM2
Number of Processing Die TransistorsKnown for one291 M
Processing Die sizeKnown for one143 mm²
CPU multiplier (bus/core ratio)Known for one14
Processor core voltage (AC)Known for one0.95 - 1.30 V
SteppingKnown for oneA1
ECC supported by processorKnown for oneNo
Memory2 differ
Internal memoryDiffers0.25 GB0.5 GB
Internal memory typeDiffersDDR-SDRAMDDR2-SDRAM
Cache internal1.024 MB1.024 MB
Storage2 differ
Total storage capacityDiffers40 GB80 GB
Optical drive typeDVD-ROMDVD-ROM
Storage drive typeDiffersATA-100 (Enhanced IDE)Serial ATA
Diskette drive memory1.44 MB1.44 MB
Graphics2 differ
Discrete graphics card modelKnown for oneIntel® GMA 900
Video adapter resolutionDiffers1920x1200 16777216 colors2048x1536 16777216 colors
Video adapter, busDiffersDirect AGPPCI Express
Performanceidentical
Product typePCPC
Optical driveidentical
DVD read speed16x16x
Network1 differ
Networking featuresDiffersEthernet/Fast EthernetEthernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
I/O portsDiffers-1 (IEEE 1284) -External microphone -External microphone (front) -External Display -Headphone/line out (front) -Keyboard -Line in -Mouse -RJ-45 -2 USB 2.0 (front) -6 USB 2.0 (back)-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 supplyDiffers200 W310 W
Design1 differ
Chassis typeDiffersSFFDesktop
Softwareidentical
Compatible operating systemsMicrosoft Windows XP ProfessionalMicrosoft Windows XP Professional
Bundled softwareKnown for oneLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Access IBM 4.0, Access Support, IBM Client Security Software (web-downloadable), IBM Director, IBM Rapid Restore Ultra, Norton AntiVirus (OEM Version), PC-Doctor, Update Connector
Displayidentical
Display includedNoNo
Processor special featuresidentical
Embedded options availableKnown for oneYes
Enhanced Intel SpeedStep TechnologyKnown for oneNo
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneNo
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneNo
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology (VT-x)Known for oneNo
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Processor ARK IDKnown for one29733
Processor codeKnown for oneSLA2G
Processor package sizeKnown for one35 mm
Thermal Monitoring TechnologiesKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Conflict-Free processorKnown for oneNo
Audioidentical
Audio systemSoundMAX CadenzaSoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers309 mm175 mm
DepthDiffers359 mm450 mm
HeightDiffers85 mm492 mm
WeightDiffers8.3 kg13.5 kg
Other features1 differ
Security featuresDiffers-Power on password -Parallel I/O control -IBM Embedded Security Subsystem 2.0 -Diskette I/O control -Hardfile I/O control -Security slot (for attachment of optional cable lock) -Serial port I/O control -Boot sequence control -Diskette boot inhibit -Boot without keyboard or mouse -Configuration passw-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

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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