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Product comparison · 2 laptops

Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP vs Lenovo TS THINKPAD R50E PMC725

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  • 30specifications compared
  • 7differ
  • 23identical
  • 3known for one product only

Key differences

The Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP has 1,200 RPM more HDD speed than the Lenovo TS THINKPAD R50E PMC725 (5400 RPM vs 4200 RPM). The Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP has 1 more built-in speakers than the Lenovo TS THINKPAD R50E PMC725 (2 vs 1). The Lenovo TS THINKPAD R50E PMC725 has 0.5 h more battery life (max) than the Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP (4.5 h vs 4 h). Dimensions (WxDxH): 332 x 269 x 37 mm on the Lenovo ThinkPad R51 PM 1600 256MB 40GB WXPP, 332 x 269 x 38 mm on the Lenovo TS THINKPAD R50E PMC725.

  • HDD speed
    • 5400 RPM
    • 4200 RPM
  • 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

Side by side

Differences highlightedShow differences only
33 specifications
A

Lenovo

ThinkPad R51 PM 1600 256MB 40GB WXPPView product
B

Lenovo

TS THINKPAD R50E PMC725View 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
Processoridentical
Processor manufacturerIntelIntel
Processor frequency1.6 GHz1.6 GHz
Processor front side bus400 MHz400 MHz
Memoryidentical
Internal memory0.25 GB0.25 GB
Storage1 differ
Total storage capacity40 GB40 GB
HDD speedDiffers5400 RPM4200 RPM
Graphicsidentical
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDirect AGPDirect AGP
Audio1 differ
Number of built-in speakersDiffers21
Optical driveidentical
CD read speed24x24x
CD write speed24x24x
CD rewrite speed24x24x
DVD read speed8x8x
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/BluetoothEthernet/Fast Ethernet/IEEE 802.11b/IEEE 802.11g
Ports & interfaces1 differ
I/O portsDiffers-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, 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
Keyboardidentical
Keyboard typeFull sizeFull size
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
Compatible operating systemsMicrosoft Windows XP ProfessionalMicrosoft Windows XP Professional
Battery1 differ
Battery life (max)Differs4 h4.5 h
Weight & dimensions1 differ
WeightKnown for one3 kg
Width332 mm332 mm
Depth269 mm269 mm
Dimensions (WxDxH)Differs332 x 269 x 37 mm332 x 269 x 38 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 -Power-on password -Supervisor password -Hard disk drive password•IBM Security Slot •Power-on password •Supervisor password •Hard disk drive password
Battery type6 Cell Lithium-Ion6 Cell Lithium-Ion
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
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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