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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 1600 256MB 40GB WXPP

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  • 25specifications compared
  • 11differ
  • 14identical
  • 12known 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 1600 256MB 40GB WXPP (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 1600 256MB 40GB WXPP (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 ThinkPad R51 PM 1600 256MB 40GB WXPP (0.5 GB vs 0.25 GB). Graphics card interface: PCI Express on the Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US, Direct AGP on the Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP. Dimensions (WxDxH): 329 x 268 x 31 mm on the Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US, 332 x 269 x 37 mm on the Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP.

  • Processor frequency
    • 1.86 GHz
    • 1.6 GHz
  • Processor front side bus
    • 533 MHz
    • 400 MHz
  • Internal memory
    • 0.5 GB
    • 0.25 GB
  • Total storage capacity
    • 60 GB
    • 40 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Graphics card interface
    • PCI Express
    • Direct AGP
  • Battery life (max)
    • 3.7 h
    • 4 h
  • Dimensions (WxDxH)
    • 329 x 268 x 31 mm
    • 332 x 269 x 37 mm

Side by side

Differences highlightedShow differences only
37 specifications
A

Lenovo

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

Lenovo

ThinkPad R51 PM 1600 256MB 40GB WXPPView 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
Memory1 differ
Internal memoryDiffers0.5 GB0.25 GB
Internal memory typeKnown for oneDDR2-SDRAM
Storage2 differ
Total storage capacityDiffers60 GB40 GB
HDD speedDiffers7200 RPM5400 RPM
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 interfaceDiffersPCI ExpressDirect AGP
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-S-Video out -2 USB 2.0 -RJ-45 -Parallel -RJ-11 -Headphone/Line out -Infrared -IEEE 1394 -Line in -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone -External Display, USB, parallel, RJ-11, RJ-45, FIR, IEEE 1394
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 & dimensions1 differ
WeightKnown for one2.4 kg
Dimensions (WxDxH)Differs329 x 268 x 31 mm332 x 269 x 37 mm
WidthKnown for one332 mm
DepthKnown for one269 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-IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password -Supervisor password -Hard disk drive password
Battery type6 Cell Lithium-Ion6 Cell Lithium-Ion
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeACAC
Optical driveidentical
CD read speedKnown for one24x
CD write speedKnown for one24x
CD rewrite speedKnown for one24x
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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