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Product comparison · 2 laptops

Lenovo ThinkPad R50e PM725 256MB 40GB WXPP vs Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP

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  • 24specifications compared
  • 10differ
  • 14identical
  • 12known for one product only

Key differences

The Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP has 0.25 GB more internal memory than the Lenovo ThinkPad R50e PM725 256MB 40GB WXPP (0.5 GB vs 0.25 GB). The Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP has 20 GB more total storage capacity than the Lenovo ThinkPad R50e PM725 256MB 40GB WXPP (60 GB vs 40 GB). The Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP has 1 more built-in speakers than the Lenovo ThinkPad R50e PM725 256MB 40GB WXPP (2 vs 1). Graphics card interface: Direct AGP on the Lenovo ThinkPad R50e PM725 256MB 40GB WXPP, AGP 4X on the Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP. Dimensions (WxDxH): 332 x 269 x 38 mm on the Lenovo ThinkPad R50e PM725 256MB 40GB WXPP, 314 x 260 x 37 mm on the Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP.

  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Total storage capacity
    • 40 GB
    • 60 GB
  • Graphics card interface
    • Direct AGP
    • AGP 4X
  • Number of built-in speakers
    • 1
    • 2
  • Battery life (max)
    • 4.5 h
    • 4 h
  • Weight
    • 3 kg
    • 2.6 kg
  • Dimensions (WxDxH)
    • 332 x 269 x 38 mm
    • 314 x 260 x 37 mm

Side by side

Differences highlightedShow differences only
36 specifications
A

Lenovo

ThinkPad R50e PM725 256MB 40GB WXPPView product
B

Lenovo

ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXPView product
Processoridentical
Processor front side busKnown for one400 MHz
Memory1 differ
Internal memoryDiffers0.25 GB0.5 GB
Storage1 differ
Total storage capacityDiffers40 GB60 GB
Graphics1 differ
Graphics card interfaceDiffersDirect AGPAGP 4X
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Mobility Radeon 7500
Maximum graphics card memoryKnown for one0.032 GB
Audio1 differ
Number of built-in speakersDiffers12
Optical driveidentical
CD read speedKnown for one24x
CD write speedKnown for one24x
CD rewrite speedKnown for one24x
DVD read speedKnown for one8x
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/IEEE 802.11b/IEEE 802.11gEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth
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-AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone -External Display -Headphone/Line out -Infrared -Parallel -RJ-11 -RJ-45 -S-Video out -2 USB 2.0
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)Differs4.5 h4 h
Weight & dimensions2 differ
WeightDiffers3 kg2.6 kg
Dimensions (WxDxH)Differs332 x 269 x 38 mm314 x 260 x 37 mm
WidthKnown for one314 mm
DepthKnown for one260 mm
Other features1 differ
Security featuresDiffers-IBM Security Slot -Power-on password -Supervisor password -Hard disk drive password-Hard disk drive password -IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password -Supervisor password
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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