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Product comparison · 2 laptops

Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP vs Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR

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  • 30specifications compared
  • 9differ
  • 21identical
  • 8known for one product only

Key differences

The Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR has 0.1 GHz more processor frequency than the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP (1.7 GHz vs 1.6 GHz). The Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR has 0.25 GB more internal memory than the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP (0.5 GB vs 0.25 GB). The Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR has 1.1 h more battery life (max) than the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP (5.1 h vs 4 h). Display diagonal: 38.1 cm (15") on the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP, 35.8 cm (14.1") on the Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR. Discrete graphics card model: AMD Mobility Radeon 9000 IGP on the Lenovo ThinkPad R51 PM725 1600 256MB 40GB WXP, AMD Mobility Radeon 7500 on the Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR.

  • Display diagonal
    • 38.1 cm (15")
    • 35.8 cm (14.1")
  • Processor frequency
    • 1.6 GHz
    • 1.7 GHz
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Discrete graphics card model
    • AMD Mobility Radeon 9000 IGP
    • AMD Mobility Radeon 7500
  • Battery life (max)
    • 4 h
    • 5.1 h
  • Weight
    • 2.6 kg
    • 2 kg
  • Dimensions (WxDxH)
    • 314 x 260 x 37 mm
    • 311 x 255 x 27 mm

Side by side

Differences highlightedShow differences only
38 specifications
A

Lenovo

ThinkPad R51 PM725 1600 256MB 40GB WXPView product
B

Lenovo

ThinkPad T42 PM735 512MB 32GB AZB-FRView product
Display1 differ
Display diagonalDiffers38.1 cm (15")35.8 cm (14.1")
Contrast ratio (typical)Known for one750:1
Processor1 differ
Processor frequencyDiffers1.6 GHz1.7 GHz
Memory1 differ
Internal memoryDiffers0.25 GB0.5 GB
Storageidentical
HDD speedKnown for one5400 RPM
Optical drive typeKnown for oneDVD-ROM
Graphics1 differ
Discrete graphics card modelDiffersAMD Mobility Radeon 9000 IGPAMD Mobility Radeon 7500
Audioidentical
Audio systemKnown for onestereo
Ports & interfaces1 differ
I/O portsDiffers-External Display -Headphone/Line out -Infrared -Parallel -RJ-11 -RJ-45 -S-Video out -2 USB 2.0 -External microphone -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II)-Infrared -Parallel -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone -External Display -Headphone/Line out -AC adapter -RJ-11 -RJ-45 -S-Video out -2 USB 2.0
Softwareidentical
Bundled softwareKnown for oneAccess IBM, IBM Access Connections, IBM Client Security Software (web-downloadable), IBM Drive Letter Access by Sonic, IBM Record Now, IBM Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC-Doctor, IBM fingerprint software, InterVideo WinDVD C
Battery1 differ
Battery life (max)Differs4 h5.1 h
Weight & dimensions2 differ
WeightDiffers2.6 kg2 kg
WidthKnown for one314 mm
DepthKnown for one260 mm
Dimensions (WxDxH)Differs314 x 260 x 37 mm311 x 255 x 27 mm
Other features1 differ
Security featuresDiffers-Hard disk drive password -IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password -Supervisor password-IBM Security Slot -Power-on password -Supervisor password -Hard disk drive password -Integrated fingerprint reader -IBM Embedded Security Subsystem 2.0
Modem speedKnown for one56 Kbit/s

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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