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Product comparison · 2 laptops

Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US vs Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US

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  • 60specifications compared
  • 6differ
  • 54identical
  • 0known for one product only

Key differences

The Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US has 1 more USB 2.0 ports quantity than the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US (2 vs 1). The Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US has 0.3 kg more weight than the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US (3 kg vs 2.7 kg). Only the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US has DVI port. Only the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US has TV-in port. Display diagonal: 35.8 cm (14.1") on the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP US, 38.1 cm (15") on the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US.

  • Display diagonal
    • 35.8 cm (14.1")
    • 38.1 cm (15")
  • USB 2.0 ports quantity
    • 1
    • 2
  • DVI port
    • Yes
    • No
  • TV-in port
    • Yes
    • No
  • 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
60 specifications
A

Lenovo

THINKPAD R51 P M-1.7(735) CENT. 256/40G/14/DVD/CDRW/WXP USView product
B

Lenovo

THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP USView 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
Processoridentical
Processor manufacturerIntelIntel
Processor frequency1.7 GHz1.7 GHz
Processor front side bus400 MHz400 MHz
Memoryidentical
Internal memory0.25 GB0.25 GB
Internal memory typeDDR-SDRAMDDR-SDRAM
Storageidentical
Total storage capacity40 GB40 GB
Graphicsidentical
Discrete graphics cardYesYes
Discrete graphics card modelAMD Mobility Radeon 7500AMD Mobility Radeon 7500
Maximum graphics card memory0.032 GB0.032 GB
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceAGP 4XAGP 4X
Audioidentical
Audio systemSoundMAXSoundMAX
Number of built-in speakers22
Optical driveidentical
CD read speed24x24x
CD write speed24x24x
CD rewrite speed24x24x
DVD read speed8x8x
Networkidentical
Networking featuresEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11gEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers12
Ethernet LAN (RJ-45) ports11
DVI portDiffersYesNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports11
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorNoNo
CardBus PCMCIA slots quantity11
CardBus PCMCIA slot typeType IIType II
SmartCard slotNoNo
Modem (RJ-11) ports11
TV-in portDiffersYesNo
TV-outYesYes
TV-out typeS-VideoS-Video
PS/2 ports quantity00
Parallel ports quantity11
Serial ports quantity00
I/O ports1x Expansion Bus port (for Dock II/Mini Dock or Port Replicator II)1x Expansion Bus port (for Dock II/Mini Dock or Port Replicator II)
USB 1.1 ports quantity00
Keyboardidentical
Pointing deviceThinkPad UltraNavThinkPad UltraNav
Keyboard typeFull sizeFull 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, ThinkPad Configuration Utility, 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, ThinkPad Configuration Utility, Norton AntiVirus 2004, PC Doctor diagnostics, Adobe Acrobat Reader
Batteryidentical
Battery life (max)4 h4 h
Poweridentical
DC-in jackYesYes
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 featuresidentical
Security features-Hard disk drive password -Power-on password -Security Slot -Supervisor password-Hard disk drive password -Power-on password -Security Slot -Supervisor password
Infrared data portYesYes
Battery type6 Cell6 Cell
Wake-on-LAN readyNoNo
Wake-on-Ring readyNoNo
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Modem type56K V.9056K V.90
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.

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