Product comparison · 2 laptops

Lenovo ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP vs Lenovo TS THINKPAD R50E PMC715A-1.5G

Add a product
  • 25specifications compared
  • 12differ
  • 13identical
  • 10known for one product only

Key differences

  • Processor frequency
    • ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP:1.6 GHz
    • TS THINKPAD R50E PMC715A-1.5G:1.5 GHz
  • Internal memory
    • ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP:0.5 GB
    • TS THINKPAD R50E PMC715A-1.5G:0.25 GB
  • Total storage capacity
    • ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP:60 GB
    • TS THINKPAD R50E PMC715A-1.5G:40 GB
  • HDD speed
    • ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP:4200 RPM
    • TS THINKPAD R50E PMC715A-1.5G:5400 RPM
  • Graphics card interface
    • ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP:AGP 4X
    • TS THINKPAD R50E PMC715A-1.5G:Direct AGP
  • Number of built-in speakers
    • ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP:2
    • TS THINKPAD R50E PMC715A-1.5G:1
  • Weight
    • ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP:2.6 kg
    • TS THINKPAD R50E PMC715A-1.5G:3 kg
  • Dimensions (WxDxH)
    • ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP:314 x 260 x 37 mm
    • TS THINKPAD R50E PMC715A-1.5G:332 x 269 x 38 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of ThinkPad R51 PM-725 512MB 60GB 15.0 inch TFT Centrino 11b/g COMBO WXP, TS THINKPAD R50E PMC715A-1.5G
35 specifications
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
Processor1 differ
Processor manufacturerIntelIntel
Processor frequencyDiffers1.6 GHz1.5 GHz
Processor front side bus400 MHz400 MHz
Memory1 differ
Internal memoryDiffers0.5 GB0.25 GB
Storage2 differ
Total storage capacityDiffers60 GB40 GB
HDD speedDiffers4200 RPM5400 RPM
Graphics1 differ
Discrete graphics cardKnown for oneYesUnknown — not stated by the source
Discrete graphics card modelKnown for oneAMD Mobility Radeon 7500Unknown — not stated by the source
Maximum graphics card memoryKnown for one0.032 GBUnknown — not stated by the source
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersAGP 4XDirect AGP
Audio1 differ
Number of built-in speakersDiffers21
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-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 2.0-1 (EPP) -AC adapter -External microphone -External Display -Headphone/Line out -RJ-11 -RJ-45 -2 USB 2.0
Keyboardidentical
Keyboard typeFull sizeFull size
Software1 differ
Compatible operating systemsDiffersMicrosoft Windows XP ProfessionalMicrosoft Windows XP Home Edition
Batteryidentical
Battery life (max)4 h4 h
Weight & dimensions2 differ
WeightDiffers2.6 kg3 kg
WidthKnown for one314 mmUnknown — not stated by the source
DepthKnown for one260 mmUnknown — not stated by the source
Dimensions (WxDxH)Differs314 x 260 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-Hard disk drive password -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
Battery type6 Cell Lithium-Ion6 Cell Lithium-Ion
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeKnown for oneUnknown — not stated by the sourceAC
Optical driveidentical
CD read speedKnown for oneUnknown — not stated by the source24x
CD write speedKnown for oneUnknown — not stated by the source24x
CD rewrite speedKnown for oneUnknown — not stated by the source24x
DVD read speedKnown for oneUnknown — not stated by the source8x

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.

More laptop comparisons

All laptop comparisons