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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 TS ThinkPad R51 PM 1600 256MB 40GB WXPP

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  • 25specifications compared
  • 12differ
  • 13identical
  • 11known 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 TS 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 0.25 GB more internal memory than the Lenovo TS ThinkPad R51 PM 1600 256MB 40GB WXPP (0.5 GB vs 0.25 GB). The Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US has 20 GB more total storage capacity than the Lenovo TS ThinkPad R51 PM 1600 256MB 40GB WXPP (60 GB vs 40 GB). Internal memory type: DDR2-SDRAM on the Lenovo IBM THINKPAD T43 P M-1.86 (750)CENT. 512/60G/15/DVDRW/WXP US, DDR-SDRAM on the Lenovo TS ThinkPad R51 PM 1600 256MB 40GB WXPP. 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 TS ThinkPad R51 PM 1600 256MB 40GB WXPP.

  • Processor frequency
    • 1.86 GHz
    • 1.6 GHz
  • Internal memory
    • 0.5 GB
    • 0.25 GB
  • Internal memory type
    • DDR2-SDRAM
    • DDR-SDRAM
  • 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
  • Weight
    • 2.4 kg
    • 2.7 kg

Side by side

Differences highlightedShow differences only
36 specifications
A

Lenovo

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

Lenovo

TS 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
Processor1 differ
Processor manufacturerIntelIntel
Processor frequencyDiffers1.86 GHz1.6 GHz
Processor front side busKnown for one533 MHz
Memory2 differ
Internal memoryDiffers0.5 GB0.25 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Storage2 differ
Total storage capacityDiffers60 GB40 GB
HDD speedDiffers7200 RPM5400 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 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
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 kg2.7 kg
Dimensions (WxDxH)Differs329 x 268 x 31 mm332 x 269 x 37 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 typeKnown for one6 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

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