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 R50 PM 1.5GHz vs Lenovo ThinkPad R51

Add a product
  • 59specifications compared
  • 10differ
  • 49identical
  • 7known for one product only

Key differences

  • Display resolution
    • 1024 x 768 pixels
    • 1400 x 1050 pixels
  • Processor frequency
    • 1.5 GHz
    • 1.7 GHz
  • Internal memory
    • 0.25 GB
    • 0.5 GB
  • Discrete graphics card model
    • AMD Mobility Radeon 7500
    • AMD Mobility Radeon 9000 IGP
  • Wireless technology
    • IEEE 802.11b
    • IEEE 802.11b/IEEE 802.11g
  • CardBus PCMCIA slots quantity
    • 0
    • 1
  • CardBus PCMCIA slot type
    • No
    • Type II
  • Battery life (max)
    • 4.7 h
    • 4 h

Side by side

Differences highlightedShow differences only
66 specifications
A

Lenovo

ThinkPad R50 PM 1.5GHzView product
B

Lenovo

ThinkPad R51View product
Display1 differ
Display diagonal38.1 cm (15")38.1 cm (15")
Display resolutionDiffers1024 x 768 pixels1400 x 1050 pixels
Native aspect ratio4:34:3
Processor1 differ
Processor frequencyDiffers1.5 GHz1.7 GHz
Processor front side bus400 MHz400 MHz
Memory1 differ
Internal memoryDiffers0.25 GB0.5 GB
Internal memory typeDDR-SDRAMDDR-SDRAM
Maximum internal memory2 GB2 GB
Storageidentical
Total storage capacity40 GB40 GB
HDD interfaceUltra-ATA/100Ultra-ATA/100
HDD speed4200 RPM4200 RPM
Optical drive typeDVD-ROMDVD-ROM
Graphics1 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Mobility Radeon 7500AMD Mobility Radeon 9000 IGP
Maximum graphics card memory0.032 GB0.032 GB
Graphics card interfaceKnown for oneAGP 4X
Audioidentical
Audio systemSoundMAXSoundMAX
Number of built-in speakers22
Cameraidentical
Front cameraNoNo
Optical driveidentical
CD read speed24x24x
CD write speed24x24x
CD rewrite speed24x24x
DVD read speed8x8x
Network1 differ
Networking featuresEthernet/Fast Ethernet/Gigabit EthernetEthernet/Fast Ethernet/Gigabit Ethernet
Wireless technologyDiffersIEEE 802.11bIEEE 802.11b/IEEE 802.11g
Ports & interfaces2 differ
USB 2.0 ports quantity22
Ethernet LAN (RJ-45) ports11
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports11
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-outYesYes
TV-out typeS-VideoS-Video
PS/2 ports quantity00
Parallel ports quantity11
Serial ports quantity00
USB 1.1 ports quantity00
Keyboardidentical
Pointing deviceThinkPad UltraNavThinkPad UltraNav
Keyboard layoutKnown for oneAZERTY
Keyboard typeKnown for oneFull size
Softwareidentical
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareAccess Program, Drive Letter Access, Record Now, ThinkVantage Access Connections, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, PC Doctor diagnostics, Adobe Acrobat ReaderAccess Program, Drive Letter Access, Record Now, ThinkVantage Access Connections, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004, PC Doctor diagnostics, Adobe Acrobat Reader
Battery1 differ
Number of battery cells66
Battery life (max)Differs4.7 h4 h
Poweridentical
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeIBMIBM
Weight & dimensions1 differ
Weight3 kg3 kg
WidthKnown for one332 mm
DepthKnown for one269 mm
HeightKnown for one38 mm
Dimensions (WxDxH)Differs332 x 269 x 40 mm332 x 269 x 38 mm
Other features1 differ
Infrared data portYesYes
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Modem typeKnown for oneV.92
Docking solutionDiffersDock II / Port Replicator IIDock II / Mini Dock, Port Replicator II
Supplied AC adapter typeACAC

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