All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 laptops

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

Add a product
  • 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
Displayidentical
Display diagonal38.1 cm (15")38.1 cm (15")
Display resolution1024 x 768 pixels1024 x 768 pixels
Native aspect ratio4:34:3
Processoridentical
Processor manufacturerIntelIntel
Processor frequency1.7 GHz1.7 GHz
Processor front side bus400 MHz400 MHz
Memory2 differ
Internal memoryDiffers0.5 GB0.25 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Storageidentical
Total storage capacity40 GB40 GB
HDD speedKnown for one5400 RPM
Graphics2 differ
Maximum graphics card memoryDiffers0.064 GB0.032 GB
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersDirect AGPAGP 4X
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Mobility Radeon 7500
Audio1 differ
Audio systemSoundMAXSoundMAX
Number of built-in speakersDiffers12
Cameraidentical
Front cameraKnown for oneNo
Optical drive1 differ
CD read speed24x24x
CD write speed24x24x
CD rewrite speedDiffers10x24x
DVD read speed8x8x
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
USB 2.0 ports quantity22
Ethernet LAN (RJ-45) ports11
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) portsDiffers01
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorNoNo
CardBus PCMCIA slots quantityDiffers01
CardBus PCMCIA slot typeDiffersNoType II
SmartCard slotNoNo
Modem (RJ-11) ports11
TV-in portNoNo
TV-outDiffersNoYes
PS/2 ports quantity00
Parallel ports quantityDiffers01
Serial ports quantity00
USB 1.1 ports quantity00
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
Keyboard typeFull sizeFull size
Software1 differ
Operating system installedWindows XP ProfessionalWindows XP Professional
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
Battery life (max)4 h4 h
Poweridentical
DC-in jackYesYes
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
Dimensions (WxDxH)332 x 269 x 38 mm332 x 269 x 38 mm
Other features2 differ
Infrared data portDiffersNoYes
Wake-on-LAN readyNoNo
Wake-on-Ring readyNoNo
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Modem typeDiffers56K V.9256K V.90
Supplied AC adapter typeACAC
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.

More laptop comparisons

All laptop comparisons