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Product comparison · 2 laptops

Lenovo Thinkpad R50e vs Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US

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  • 53specifications compared
  • 17differ
  • 36identical
  • 15known for one product only

Key differences

  • Internal memory
    • 0.5 GB
    • 0.25 GB
  • Internal memory type
    • DDR2-SDRAM
    • DDR-SDRAM
  • Maximum graphics card memory
    • 0.064 GB
    • 0.032 GB
  • Graphics card interface
    • Direct AGP
    • AGP 4X
  • Number of built-in speakers
    • 1
    • 2
  • CD rewrite speed
    • 10x
    • 24x
  • Firewire (IEEE 1394) ports
    • 0
    • 1
  • CardBus PCMCIA slots quantity
    • 0
    • 1

Side by side

Differences highlightedShow differences only
68 specifications
A

Lenovo

Thinkpad R50eView product
B

Lenovo

THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP USView product
Memory2 differ
Internal memoryDiffers0.5 GB0.25 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Storageidentical
HDD speedKnown for one5400 RPM
Graphics2 differ
Maximum graphics card memoryDiffers0.064 GB0.032 GB
Graphics card interfaceDiffersDirect AGPAGP 4X
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Mobility Radeon 7500
Audio1 differ
Number of built-in speakersDiffers12
Cameraidentical
Front cameraKnown for oneNo
Optical drive1 differ
CD rewrite speedDiffers10x24x
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/IEEE 802.11b/IEEE 802.11gEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g
Ports & interfaces5 differ
Firewire (IEEE 1394) portsDiffers01
CardBus PCMCIA slots quantityDiffers01
CardBus PCMCIA slot typeDiffersNoType II
TV-outDiffersNoYes
Parallel ports quantityDiffers01
TV-out typeKnown for oneS-Video
I/O portsKnown for one1x Expansion Bus port (for Dock II/Mini Dock or Port Replicator II)
Keyboard1 differ
Pointing deviceDiffersTrackpadThinkPad UltraNav
Software1 differ
Bundled softwareDiffersAccess Connections; Access Program; Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics, Adobe Acrobat ReaderAccess Program, Drive Letter Access, Record Now, ThinkVantage Access Connections, ThinkVantage Rescue and Recovery with Rapid Restore, ThinkPad Configuration Utility, Norton AntiVirus 2004, PC Doctor diagnostics, Adobe Acrobat Reader
Batteryidentical
Number of battery cellsKnown for one6
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneIBM
Weight & dimensions1 differ
WeightDiffers2.8 kg3 kg
WidthKnown for one332 mm
DepthKnown for one269 mm
HeightKnown for one38 mm
Other features2 differ
Infrared data portDiffersNoYes
Modem typeDiffers56K V.9256K V.90
Security featuresKnown for one-Hard disk drive password -Power-on password -Security Slot -Supervisor password
Battery typeKnown for one6 Cell
Hard driveidentical
Storage drive typeKnown for oneATA-100 (Enhanced IDE)

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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