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Product comparison · 2 laptops

Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++) vs Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US

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  • 28specifications compared
  • 10differ
  • 18identical
  • 5known for one product only

Key differences

The Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US has 0.2 GHz more processor frequency than the Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++) (1.7 GHz vs 1.5 GHz). The Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++) has 10 GB more total storage capacity than the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US (40 GB vs 30 GB). The Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++) has 1,200 RPM more HDD speed than the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US (5400 RPM vs 4200 RPM). Display diagonal: 38.1 cm (15") on the Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++), 35.8 cm (14.1") on the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US. Compatible operating systems: Microsoft Windows XP Home Edition on the Lenovo IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++), Microsoft Windows XP Professional on the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US.

  • Display diagonal
    • 38.1 cm (15")
    • 35.8 cm (14.1")
  • Processor frequency
    • 1.5 GHz
    • 1.7 GHz
  • Total storage capacity
    • 40 GB
    • 30 GB
  • HDD speed
    • 5400 RPM
    • 4200 RPM
  • Number of built-in speakers
    • 1
    • 2
  • Weight
    • 3 kg
    • 2.7 kg
  • Dimensions (WxDxH)
    • 332 x 269 x 38 mm
    • 314 x 260 x 34 mm

Side by side

Differences highlightedShow differences only
33 specifications
A

Lenovo

IBM THINKPAD R50E P M-1.5(715) CENT. 256/40G/15/DVDCDRW/WXP NL TS(++)View product
B

Lenovo

IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP USView product
Display1 differ
Display diagonalDiffers38.1 cm (15")35.8 cm (14.1")
Processor1 differ
Processor frequencyDiffers1.5 GHz1.7 GHz
Storage2 differ
Total storage capacityDiffers40 GB30 GB
HDD speedDiffers5400 RPM4200 RPM
Optical drive typeKnown for oneDVD-ROM
Audio1 differ
Number of built-in speakersDiffers12
Optical driveidentical
CD read speedKnown for one24x
CD write speedKnown for one24x
CD rewrite speedKnown for one24x
Ports & interfaces1 differ
I/O portsDiffers-1 (EPP) -AC adapter -External microphone -External Display -Headphone/Line out -RJ-11 -RJ-45 -2 USB 2.0-External microphone -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External Display -Headphone/Line out -RJ-11 -RJ-45 -S-Video out -2 USB 2.0 -Infrared -Line in -Parallel
Software1 differ
Compatible operating systemsDiffersMicrosoft Windows XP Home EditionMicrosoft Windows XP Professional
Bundled softwareKnown for oneAccess IBM, IBM Access Connections, IBM Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, PC Doctor diagnostics, Intervideo WinDVD, Adobe Acrobat Reader
Weight & dimensions2 differ
WeightDiffers3 kg2.7 kg
Dimensions (WxDxH)Differs332 x 269 x 38 mm314 x 260 x 34 mm
Other features1 differ
Security featuresDiffers-Hard disk drive password -IBM Security Slot -Power-on password -Supervisor password-Hard disk drive password -IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password -Supervisor password

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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