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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 520 2.8GHz vs Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP

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  • 84specifications compared
  • 28differ
  • 56identical
  • 5known for one product only

Key differences

The Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP has 10 more processor model than the Lenovo ThinkCentre A51p P4 520 2.8GHz (530 vs 520). The Lenovo ThinkCentre A51p P4 520 2.8GHz has 1 more processor threads than the Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP (2 vs 1). The Lenovo ThinkCentre A51p P4 520 2.8GHz has 1.07 GHz more processor frequency than the Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP (2.8 GHz vs 1.73 GHz). Only the Lenovo TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXP has embedded options available. Only the Lenovo ThinkCentre A51p P4 520 2.8GHz has thermal Monitoring Technologies.

  • Processor model
    • 520
    • 530
  • Processor threads
    • 2
    • 1
  • Processor frequency
    • 2.8 GHz
    • 1.73 GHz
  • Processor front side bus
    • 800 MHz
    • 533 MHz
  • Processor lithography
    • 90 nm
    • 65 nm
  • Processor operating modes
    • 32-bit
    • 64-bit
  • Processor codename
    • Prescott
    • Merom
  • Thermal Design Power (TDP)
    • 84 W
    • 27 W

Side by side

Differences highlightedShow differences only
89 specifications
A

Lenovo

ThinkCentre A51p P4 520 2.8GHzView product
B

Lenovo

TS ThinkCentre A51 P4-3.0 HT 256/40G/DVD/LAN/WXPView product
Processor12 differ
Processor manufacturerIntelIntel
Processor familyIntel® Pentium® 4Intel® Pentium® 4
Processor modelDiffers520530
Processor cores11
Processor threadsDiffers21
Processor frequencyDiffers2.8 GHz1.73 GHz
Processor cache1 MB1 MB
Processor cache typeL2L2
Processor front side busDiffers800 MHz533 MHz
Bus typeFSBFSB
FSB ParityNoNo
Processor lithographyDiffers90 nm65 nm
Processor operating modesDiffers32-bit64-bit
Processor codenameDiffersPrescottMerom
Thermal Design Power (TDP)Differs84 W27 W
Tcase67.7 °C67.7 °C
Tjunction100 °C100 °C
Processor socketDiffersLGA 775 (Socket T)Socket AM2
Number of Processing Die TransistorsDiffers125 M291 M
Processing Die sizeDiffers112 mm²143 mm²
CPU multiplier (bus/core ratio)Differs1214
Processor core voltage (AC)0.95 - 1.30 V0.95 - 1.30 V
SteppingKnown for oneA1
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 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
DVD read speedKnown for one16x
CD read speedKnown for one48x
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 supplyDiffers310 W225 W
Power supply typeKnown for one110~220V
Design1 differ
Chassis typeDiffersDesktopSmall Desktop
Software1 differ
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareDiffersLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage RescueLotus 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 features5 differ
Embedded options availableDiffersNoYes
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 IDDiffers2746029733
Processor codeKnown for oneSLA2G
Processor package sizeDiffers37.5 mm35 mm
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
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
WidthDiffers442 mm127 mm
DepthDiffers401 mm390 mm
HeightDiffers146 mm346 mm
WeightDiffers14 kg8.5 kg
Other features1 differ
Security featuresDiffers-Serial port I/O control -Secure Data Disposal -Parallel port I/O control -Power on password -Hard disk drive password -Hardfile I/O control -Kensington Lock Standard Enabled -Diskette I/O control -Embedded Security Subsystem standard -Diskette boot inhibit -Boot without keyboard or mouse -Configura-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

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