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Product comparison · 2 laptops

Lenovo ThinkPad R51 PM735 256MB 40GB XPP vs Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR

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  • 31specifications compared
  • 10differ
  • 21identical
  • 6known for one product only

Key differences

The Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR has 0.25 GB more internal memory than the Lenovo ThinkPad R51 PM735 256MB 40GB XPP (0.5 GB vs 0.25 GB). The Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR has 1,200 RPM more HDD speed than the Lenovo ThinkPad R51 PM735 256MB 40GB XPP (5400 RPM vs 4200 RPM). The Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR has 1 h more battery life (max) than the Lenovo ThinkPad R51 PM735 256MB 40GB XPP (5.1 h vs 4.1 h). Display diagonal: 38.1 cm (15") on the Lenovo ThinkPad R51 PM735 256MB 40GB XPP, 35.8 cm (14.1") on the Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR. Dimensions (WxDxH): 332 x 269 x 38 mm on the Lenovo ThinkPad R51 PM735 256MB 40GB XPP, 311 x 255 x 27 mm on the Lenovo ThinkPad T42 PM735 512MB 32GB AZB-FR.

  • Display diagonal
    • 38.1 cm (15")
    • 35.8 cm (14.1")
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • HDD speed
    • 4200 RPM
    • 5400 RPM
  • Battery life (max)
    • 4.1 h
    • 5.1 h
  • Weight
    • 2.8 kg
    • 2 kg
  • Dimensions (WxDxH)
    • 332 x 269 x 38 mm
    • 311 x 255 x 27 mm

Side by side

Differences highlightedShow differences only
37 specifications
A

Lenovo

ThinkPad R51 PM735 256MB 40GB XPPView 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
Memory1 differ
Internal memoryDiffers0.25 GB0.5 GB
Internal memory typeKnown for oneDDR-SDRAM
Storage1 differ
HDD speedDiffers4200 RPM5400 RPM
Optical drive typeKnown for oneDVD-ROM
Audioidentical
Audio systemKnown for onestereo
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11gEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces1 differ
I/O portsDiffers-Headphone/Line out -Infrared -Parallel -RJ-11 -RJ-45 -S-Video out -2 USB 2.0 -External Display -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone-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
Software1 differ
Bundled softwareDiffersAccess IBM, IBM Access Connections, IBM Drive Letter Access, IBM Record Now, IBM Rescue and Recovery with Rapid Restore, ThinkPad Configuration Utility, Norton AntiVirus 2004, PC Doctor diagnostics, Adobe Acrobat ReaderAccess 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)Differs4.1 h5.1 h
Weight & dimensions2 differ
WeightDiffers2.8 kg2 kg
Dimensions (WxDxH)Differs332 x 269 x 38 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
Hard driveidentical
Storage drive typeKnown for oneATA-100 (Enhanced IDE)

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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