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Product comparison · 2 laptops

Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US vs Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP

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  • 28specifications compared
  • 12differ
  • 16identical
  • 5known for one product only

Key differences

The Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US has 0.26 GHz more processor frequency than the Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP (1.86 GHz vs 1.6 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 ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP (533 MHz vs 400 MHz). The Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US has 3,000 RPM more HDD speed than the Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP (7200 RPM vs 4200 RPM). Discrete graphics card model: AMD Mobility Radeon X300 on the Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US, AMD Mobility Radeon 7500 on the Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP. Graphics card interface: PCI Express on the Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US, AGP 4X on the Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP.

  • Processor frequency
    • 1.86 GHz
    • 1.6 GHz
  • Processor front side bus
    • 533 MHz
    • 400 MHz
  • HDD speed
    • 7200 RPM
    • 4200 RPM
  • Discrete graphics card model
    • AMD Mobility Radeon X300
    • AMD Mobility Radeon 7500
  • Maximum graphics card memory
    • 0.064 GB
    • 0.032 GB
  • Graphics card interface
    • PCI Express
    • AGP 4X
  • Battery life (max)
    • 3.7 h
    • 4 h
  • Weight
    • 2.4 kg
    • 2.6 kg

Side by side

Differences highlightedShow differences only
33 specifications
A

Lenovo

IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP USView product
B

Lenovo

ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXPView product
Displayidentical
Display diagonal38.1 cm (15")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 frequencyDiffers1.86 GHz1.6 GHz
Processor front side busDiffers533 MHz400 MHz
Memoryidentical
Internal memory0.5 GB0.5 GB
Internal memory typeKnown for oneDDR2-SDRAM
Storage1 differ
Total storage capacity60 GB60 GB
HDD speedDiffers7200 RPM4200 RPM
Graphics3 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Mobility Radeon X300AMD Mobility Radeon 7500
Maximum graphics card memoryDiffers0.064 GB0.032 GB
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersPCI ExpressAGP 4X
Audioidentical
Audio systemKnown for onestereo
Number of built-in speakers22
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/BluetoothEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces1 differ
I/O portsDiffers-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-AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone -External Display -Headphone/Line out -Infrared -Parallel -RJ-11 -RJ-45 -S-Video out -2 USB 2.0
Keyboardidentical
Keyboard typeFull sizeFull size
Softwareidentical
Compatible operating systemsMicrosoft Windows XP ProfessionalMicrosoft Windows XP Professional
Battery1 differ
Battery life (max)Differs3.7 h4 h
Weight & dimensions2 differ
WeightDiffers2.4 kg2.6 kg
Dimensions (WxDxH)Differs329 x 268 x 31 mm314 x 260 x 37 mm
WidthKnown for one314 mm
DepthKnown for one260 mm
Hard driveidentical
Storage drive typeATA-100 (Enhanced IDE)ATA-100 (Enhanced IDE)
Other features1 differ
Security featuresDiffers-IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Hard disk drive password -Integrated fingerprint reader -Power-on password -Supervisor password-Hard disk drive password -IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password -Supervisor password
Battery type6 Cell Lithium-Ion6 Cell Lithium-Ion
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeKnown for oneAC

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