Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T vs Lenovo THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++)

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  • 27specifications compared
  • 13differ
  • 14identical
  • 58known for one product only

Key differences

  • Processor family
    • ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T:Intel® Celeron®
    • THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++):Intel® Pentium® 4
  • Processor frequency
    • ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T:2.8 GHz
    • THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++):1.73 GHz
  • Internal memory
    • ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T:0.25 GB
    • THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++):0.5 GB
  • Total storage capacity
    • ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T:40 GB
    • THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++):80 GB
  • Optical drive type
    • ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T:CD-ROM
    • THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++):DVD-ROM
  • Power supply type
    • ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T:110/220V
    • THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++):110~220V
  • Width
    • ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T:442 mm
    • THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++):175 mm
  • Depth
    • ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T:401 mm
    • THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++):450 mm

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Differences highlightedShow differences only (off)
Comparison of ThinkCentre A51 Desktop Cel D335 (2.80GHz) 256MB 40GB CD LAN WXP Pro T, THINKCENTRE A51P DT P4-3.0 (530) 512M/80G/DVD/WXP/3YR TS(+++)
85 specifications
Processor2 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Celeron®Intel® Pentium® 4
Processor modelKnown for oneUnknown — not stated by the source530
Processor coresKnown for oneUnknown — not stated by the source1
Processor threadsKnown for oneUnknown — not stated by the source1
Processor frequencyDiffers2.8 GHz1.73 GHz
Processor cacheKnown for oneUnknown — not stated by the source1 MB
Processor cache typeKnown for oneUnknown — not stated by the sourceL2
Processor front side bus533 MHz533 MHz
Bus typeKnown for oneUnknown — not stated by the sourceFSB
FSB ParityKnown for oneUnknown — not stated by the sourceNo
Processor lithographyKnown for oneUnknown — not stated by the source65 nm
Processor operating modesKnown for oneUnknown — not stated by the source64-bit
Processor codenameKnown for oneUnknown — not stated by the sourceMerom
Thermal Design Power (TDP)Known for oneUnknown — not stated by the source27 W
TcaseKnown for oneUnknown — not stated by the source67.7 °C
TjunctionKnown for oneUnknown — not stated by the source100 °C
Processor socketKnown for oneUnknown — not stated by the sourceSocket AM2
Number of Processing Die TransistorsKnown for oneUnknown — not stated by the source291 M
Processing Die sizeKnown for oneUnknown — not stated by the source143 mm²
CPU multiplier (bus/core ratio)Known for oneUnknown — not stated by the source14
Processor core voltage (AC)Known for oneUnknown — not stated by the source0.95 - 1.30 V
SteppingKnown for oneUnknown — not stated by the sourceA1
ECC supported by processorKnown for oneUnknown — not stated by the sourceNo
Memory1 differ
Internal memoryDiffers0.25 GB0.5 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Cache internalKnown for oneUnknown — not stated by the source1.024 MB
Storage2 differ
Total storage capacityDiffers40 GB80 GB
Optical drive typeDiffersCD-ROMDVD-ROM
Storage drive typeSerial ATASerial ATA
Diskette drive memory1.44 MB1.44 MB
HDD speedKnown for one7200 RPMUnknown — not stated by the source
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 speedKnown for oneUnknown — not stated by the source16x
CD read speedKnown for one48xUnknown — not stated by the source
Network1 differ
Networking featuresDiffersEthernet/Fast EthernetEthernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
I/O portsDiffers-External Display (VGA) -External Microphone / Line in (back) -External Microphone / Line in (front) -Headphone / Line out (back) -Headphone / Line out (front) -Keyboard (PS/2) -Mouse (PS/2) -Parallel -RJ-45 -Serial -6 USB 2.0 (2 front, 4 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)
Power1 differ
Power supply typeDiffers110/220V110~220V
Power supply310 W310 W
Designidentical
Chassis typeDesktopDesktop
Softwareidentical
Compatible operating systemsMicrosoft Windows XP ProfessionalMicrosoft Windows XP Professional
Bundled softwareKnown for oneAccess Program, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnosticsUnknown — not stated by the source
Displayidentical
Display includedNoNo
Processor special featuresidentical
Embedded options availableKnown for oneUnknown — not stated by the sourceYes
Enhanced Intel SpeedStep TechnologyKnown for oneUnknown — not stated by the sourceNo
Execute Disable BitKnown for oneUnknown — not stated by the sourceYes
Idle StatesKnown for oneUnknown — not stated by the sourceNo
Intel 64Known for oneUnknown — not stated by the sourceYes
Intel Clear Video TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Demand Based SwitchingKnown for oneUnknown — not stated by the sourceNo
Intel Dual Display Capable TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Enhanced Halt StateKnown for oneUnknown — not stated by the sourceNo
Intel FDI TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Fast Memory AccessKnown for oneUnknown — not stated by the sourceNo
Intel Flex Memory AccessKnown for oneUnknown — not stated by the sourceNo
Intel Rapid Storage TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Trusted Execution TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel VT-x with Extended Page Tables (EPT)Known for oneUnknown — not stated by the sourceNo
Intel Virtualization Technology (VT-x)Known for oneUnknown — not stated by the sourceNo
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneUnknown — not stated by the sourceNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneUnknown — not stated by the sourceNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneUnknown — not stated by the sourceNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneUnknown — not stated by the sourceNo
Intel® InTru™ 3D TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Insider™Known for oneUnknown — not stated by the sourceNo
Intel® Wireless Display (Intel® WiDi)Known for oneUnknown — not stated by the sourceNo
Processor ARK IDKnown for oneUnknown — not stated by the source29733
Processor codeKnown for oneUnknown — not stated by the sourceSLA2G
Processor package sizeKnown for oneUnknown — not stated by the source35 mm
Thermal Monitoring TechnologiesKnown for oneUnknown — not stated by the sourceNo
Intel® Turbo Boost TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneUnknown — not stated by the sourceNo
Intel® Quick Sync Video TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® My WiFi Technology (Intel® MWT)Known for oneUnknown — not stated by the sourceNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneUnknown — not stated by the sourceNo
Conflict-Free processorKnown for oneUnknown — not stated by the sourceNo
Audioidentical
Audio systemSoundMAX CadenzaSoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers442 mm175 mm
DepthDiffers401 mm450 mm
HeightDiffers146 mm492 mm
WeightDiffers14 kg13.5 kg
Other features1 differ
Security featuresDiffers-Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature -Boot without keyboard or mouse -Boot sequence control -Power on password -Diskette I/O control -Diskette boot inhibit -Configuration password -Hardfile I/O control -Parallel port I/O control-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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