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Product comparison · 2 laptops

Lenovo THINKPAD R51 PM735-1.7G vs Lenovo TS THINKPAD R50E PMC725

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  • 30specifications compared
  • 9differ
  • 21identical
  • 3known for one product only

Key differences

The Lenovo THINKPAD R51 PM735-1.7G has 0.1 GHz more processor frequency than the Lenovo TS THINKPAD R50E PMC725 (1.7 GHz vs 1.6 GHz). The Lenovo THINKPAD R51 PM735-1.7G has 0.25 GB more internal memory than the Lenovo TS THINKPAD R50E PMC725 (0.5 GB vs 0.25 GB). The Lenovo THINKPAD R51 PM735-1.7G has 1 more built-in speakers than the Lenovo TS THINKPAD R50E PMC725 (2 vs 1). Dimensions (WxDxH): 332 x 269 x 37 mm on the Lenovo THINKPAD R51 PM735-1.7G, 332 x 269 x 38 mm on the Lenovo TS THINKPAD R50E PMC725. Battery type: 6 cell Li-Ion battery pack on the Lenovo THINKPAD R51 PM735-1.7G, 6 Cell Lithium-Ion on the Lenovo TS THINKPAD R50E PMC725.

  • Processor frequency
    • 1.7 GHz
    • 1.6 GHz
  • Internal memory
    • 0.5 GB
    • 0.25 GB
  • Number of built-in speakers
    • 2
    • 1
  • Battery life (max)
    • 4 h
    • 4.5 h
  • Dimensions (WxDxH)
    • 332 x 269 x 37 mm
    • 332 x 269 x 38 mm
  • Battery type
    • 6 cell Li-Ion battery pack
    • 6 Cell Lithium-Ion

Side by side

Differences highlightedShow differences only
33 specifications
A

Lenovo

THINKPAD R51 PM735-1.7GView product
B

Lenovo

TS THINKPAD R50E PMC725View product
Processor1 differ
Processor frequencyDiffers1.7 GHz1.6 GHz
Memory1 differ
Internal memoryDiffers0.5 GB0.25 GB
Audio1 differ
Number of built-in speakersDiffers21
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11gEthernet/Fast Ethernet/IEEE 802.11b/IEEE 802.11g
Ports & interfaces1 differ
I/O portsDiffers•AC adapter •Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) •Line in •IEEE 1394 •2 USB 2.0 •S-Video out •Parallel •RJ-11 •RJ-45 •Infrared •External microphone •External Display •Headphone/Line out, USB, parallel, RJ-11, RJ-45, FIR, IEEE 1394•AC adapter •External microphone •External Display •Headphone/Line out •RJ-11 •RJ-45 •2 USB 2.0, USB, RJ-11, RJ-45
Softwareidentical
Bundled softwareKnown for oneAccess IBM, IBM Access Connections, IBM Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, PC Doctor diagnostics, Adobe Acrobat Reader
Battery1 differ
Battery life (max)Differs4 h4.5 h
Weight & dimensions1 differ
WeightKnown for one3 kg
Dimensions (WxDxH)Differs332 x 269 x 37 mm332 x 269 x 38 mm
Other features2 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
Battery typeDiffers6 cell Li-Ion battery pack6 Cell Lithium-Ion
Supplied AC adapter typeKnown for oneAC

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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