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Product comparison · 2 laptops

Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US vs Lenovo TS THINKPAD R50E PMC715A-1.5G

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  • 27specifications compared
  • 10differ
  • 17identical
  • 6known for one product only

Key differences

The Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US has 0.2 GHz more processor frequency than the Lenovo TS THINKPAD R50E PMC715A-1.5G (1.7 GHz vs 1.5 GHz). The Lenovo TS THINKPAD R50E PMC715A-1.5G has 10 GB more total storage capacity than the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US (40 GB vs 30 GB). The Lenovo TS THINKPAD R50E PMC715A-1.5G has 1,200 RPM more HDD speed than the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US (5400 RPM vs 4200 RPM). Display diagonal: 35.8 cm (14.1") on the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US, 38.1 cm (15") on the Lenovo TS THINKPAD R50E PMC715A-1.5G. Compatible operating systems: Microsoft Windows XP Professional on the Lenovo IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP US, Microsoft Windows XP Home Edition on the Lenovo TS THINKPAD R50E PMC715A-1.5G.

  • Display diagonal
    • 35.8 cm (14.1")
    • 38.1 cm (15")
  • Processor frequency
    • 1.7 GHz
    • 1.5 GHz
  • Total storage capacity
    • 30 GB
    • 40 GB
  • HDD speed
    • 4200 RPM
    • 5400 RPM
  • Number of built-in speakers
    • 2
    • 1
  • Weight
    • 2.7 kg
    • 3 kg
  • Dimensions (WxDxH)
    • 314 x 260 x 34 mm
    • 332 x 269 x 38 mm

Side by side

Differences highlightedShow differences only
33 specifications
A

Lenovo

IBM THINKPAD R51 P M-1.7(735) CENT. 256/30G/14/DVD/WXP USView product
B

Lenovo

TS THINKPAD R50E PMC715A-1.5GView product
Display1 differ
Display diagonalDiffers35.8 cm (14.1")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 frequencyDiffers1.7 GHz1.5 GHz
Processor front side bus400 MHz400 MHz
Memoryidentical
Internal memory0.25 GB0.25 GB
Internal memory typeKnown for oneDDR-SDRAM
Storage2 differ
Total storage capacityDiffers30 GB40 GB
HDD speedDiffers4200 RPM5400 RPM
Optical drive typeKnown for oneDVD-ROM
Graphicsidentical
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDirect AGPDirect AGP
Audio1 differ
Number of built-in speakersDiffers21
Optical driveidentical
DVD read speed8x8x
CD read speedKnown for one24x
CD write speedKnown for one24x
CD rewrite speedKnown for one24x
Networkidentical
Networking featuresEthernet/Fast Ethernet/IEEE 802.11b/IEEE 802.11gEthernet/Fast Ethernet/IEEE 802.11b/IEEE 802.11g
Ports & interfaces1 differ
I/O portsDiffers-External microphone -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External Display -Headphone/Line out -RJ-11 -RJ-45 -S-Video out -2 USB 2.0 -Infrared -Line in -Parallel-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
Bundled softwareKnown for oneAccess IBM, IBM Access Connections, IBM Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, PC Doctor diagnostics, Intervideo WinDVD, Adobe Acrobat Reader
Compatible operating systemsDiffersMicrosoft Windows XP ProfessionalMicrosoft Windows XP Home Edition
Batteryidentical
Battery life (max)4 h4 h
Weight & dimensions2 differ
WeightDiffers2.7 kg3 kg
Dimensions (WxDxH)Differs314 x 260 x 34 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 typeACAC

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