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Product comparison · 2 laptops

Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US vs Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US

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  • 27specifications compared
  • 14differ
  • 13identical
  • 7known for one product only

Key differences

The Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US has 0.16 GHz more processor frequency than the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US (1.86 GHz vs 1.7 GHz). The Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US has 133 MHz more processor front side bus than the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US (533 MHz vs 400 MHz). The Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US has 0.25 GB more internal memory than the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US (0.5 GB vs 0.25 GB). Display diagonal: 35.8 cm (14.1") on the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US, 38.1 cm (15") on the Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US. Internal memory type: DDR-SDRAM on the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US, DDR2-SDRAM on the Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US.

  • Display diagonal
    • 35.8 cm (14.1")
    • 38.1 cm (15")
  • Processor frequency
    • 1.7 GHz
    • 1.86 GHz
  • Processor front side bus
    • 400 MHz
    • 533 MHz
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Internal memory type
    • DDR-SDRAM
    • DDR2-SDRAM
  • Total storage capacity
    • 30 GB
    • 60 GB
  • HDD speed
    • 4200 RPM
    • 7200 RPM
  • Graphics card interface
    • Direct AGP
    • PCI Express

Side by side

Differences highlightedShow differences only
34 specifications
A

Lenovo

IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP USView product
B

Lenovo

IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP USView product
Display1 differ
Display diagonalDiffers35.8 cm (14.1")38.1 cm (15")
Display resolution1024 x 768 pixels1024 x 768 pixels
Native aspect ratio4:34:3
Contrast ratio (typical)750:1750:1
Processor2 differ
Processor manufacturerIntelIntel
Processor frequencyDiffers1.7 GHz1.86 GHz
Processor front side busDiffers400 MHz533 MHz
Memory2 differ
Internal memoryDiffers0.25 GB0.5 GB
Internal memory typeDiffersDDR-SDRAMDDR2-SDRAM
Storage2 differ
Total storage capacityDiffers30 GB60 GB
HDD speedDiffers4200 RPM7200 RPM
Optical drive typeKnown for oneDVD-ROM
Graphics1 differ
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Mobility Radeon X300
Maximum graphics card memoryKnown for one0.064 GB
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersDirect AGPPCI Express
Audioidentical
Audio systemKnown for onestereo
Number of built-in speakers22
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/IEEE 802.11b/IEEE 802.11gEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces1 differ
I/O portsDiffers-External microphone -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External Display -Headphone/Line out -RJ-11 -RJ-45 -S-Video out -2 USB 2.0 -Infrared -Line in -Parallel-AC adapter -Docking/Port Replicator -External microphone -External Display -Headphone/Line out -S-Video out -2 USB 2.0 -Parallel -RJ-11 -Infrared -RJ-45
Keyboardidentical
Keyboard typeFull sizeFull size
Softwareidentical
Compatible operating systemsMicrosoft Windows XP ProfessionalMicrosoft Windows XP Professional
Bundled softwareKnown for oneAccess IBM, IBM Access Connections, IBM Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, PC Doctor diagnostics, Intervideo WinDVD, Adobe Acrobat Reader
Battery1 differ
Battery life (max)Differs4 h3.7 h
Weight & dimensions2 differ
WeightDiffers2.7 kg2.4 kg
Dimensions (WxDxH)Differs314 x 260 x 34 mm329 x 268 x 31 mm
Hard driveidentical
Storage drive typeATA-100 (Enhanced IDE)ATA-100 (Enhanced IDE)
Other features1 differ
Security featuresDiffers-Hard disk drive password -IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password -Supervisor password-IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Hard disk drive password -Integrated fingerprint reader -Power-on password -Supervisor password
Battery type6 Cell Lithium-Ion6 Cell Lithium-Ion
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeACAC
Optical driveidentical
DVD read speedKnown for one8x

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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