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Product comparison · 2 laptops

Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP vs Lenovo ThinkPad X41 PM 758 512MB 60GB XPP

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  • 26specifications compared
  • 12differ
  • 14identical
  • 7known for one product only

Key differences

The Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP has 0.1 GHz more processor frequency than the Lenovo ThinkPad X41 PM 758 512MB 60GB XPP (1.6 GHz vs 1.5 GHz). 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 X41 PM 758 512MB 60GB XPP (2 vs 1). The Lenovo ThinkPad X41 PM 758 512MB 60GB XPP has 1.7 h more battery life (max) than the Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP (5.7 h vs 4 h). Display diagonal: 38.1 cm (15") on the Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP, 30.7 cm (12.1") on the Lenovo ThinkPad X41 PM 758 512MB 60GB XPP. Discrete graphics card model: AMD Mobility Radeon 7500 on the Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP, Intel® GMA 900 on the Lenovo ThinkPad X41 PM 758 512MB 60GB XPP.

  • Display diagonal
    • 38.1 cm (15")
    • 30.7 cm (12.1")
  • Processor frequency
    • 1.6 GHz
    • 1.5 GHz
  • Discrete graphics card model
    • AMD Mobility Radeon 7500
    • Intel® GMA 900
  • Graphics card interface
    • AGP 4X
    • PCI Express
  • Number of built-in speakers
    • 2
    • 1
  • Battery life (max)
    • 4 h
    • 5.7 h
  • Weight
    • 2.6 kg
    • 1.44 kg
  • Dimensions (WxDxH)
    • 314 x 260 x 37 mm
    • 268 x 211 x 27 mm

Side by side

Differences highlightedShow differences only
33 specifications
A

Lenovo

ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXPView product
B

Lenovo

ThinkPad X41 PM 758 512MB 60GB XPPView product
Display1 differ
Display diagonalDiffers38.1 cm (15")30.7 cm (12.1")
Processor1 differ
Processor frequencyDiffers1.6 GHz1.5 GHz
Memoryidentical
Internal memory typeKnown for oneDDR2-SDRAM
Storageidentical
HDD speedKnown for one4200 RPM
Graphics2 differ
Discrete graphics card modelDiffersAMD Mobility Radeon 7500Intel® GMA 900
Maximum graphics card memoryKnown for one0.032 GB
Graphics card interfaceDiffersAGP 4XPCI Express
Audio1 differ
Number of built-in speakersDiffers21
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/BluetoothEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces1 differ
I/O portsDiffers-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-AC adapter -Expansion bus (for X4 UltraBase Dock) -External Display -External Microphone/Line-In -Headphone/Line out -Infrared -RJ-11 -RJ-45 -2 USB 2.0 (1 IBM Powered USB 2.0 Port)
Softwareidentical
Bundled softwareKnown for oneAccess IBM, IBM Access Connections, IBM Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics, Adobe Acrobat Reader
Battery1 differ
Battery life (max)Differs4 h5.7 h
Weight & dimensions2 differ
WeightDiffers2.6 kg1.44 kg
WidthKnown for one314 mm
DepthKnown for one260 mm
Dimensions (WxDxH)Differs314 x 260 x 37 mm268 x 211 x 27 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 -IBM Embedded Security Subsystem 2.0 -Integrated fingerprint reader -Hard disk drive password
Battery typeDiffers6 Cell Lithium-Ion8 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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