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Product comparison · 2 laptops

Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US vs Lenovo THINKPAD R52 P M-1.73(740) 256/40/14/DVD/CDRW COMBO/WXP US

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  • 59specifications compared
  • 14differ
  • 45identical
  • 1known for one product only

Key differences

The Lenovo THINKPAD R52 P M-1.73(740) 256/40/14/DVD/CDRW COMBO/WXP US has 0.03 GHz more processor frequency than the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US (1.73 GHz vs 1.7 GHz). The Lenovo THINKPAD R52 P M-1.73(740) 256/40/14/DVD/CDRW COMBO/WXP US has 133 MHz more processor front side bus than the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US (533 MHz vs 400 MHz). The Lenovo THINKPAD R52 P M-1.73(740) 256/40/14/DVD/CDRW COMBO/WXP US has 0.096 GB more maximum graphics card memory than the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US (0.128 GB vs 0.032 GB). Display diagonal: 38.1 cm (15") on the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US, 35.8 cm (14.1") on the Lenovo THINKPAD R52 P M-1.73(740) 256/40/14/DVD/CDRW COMBO/WXP US. Internal memory type: DDR-SDRAM on the Lenovo THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP US, DDR2-SDRAM on the Lenovo THINKPAD R52 P M-1.73(740) 256/40/14/DVD/CDRW COMBO/WXP US.

  • Display diagonal
    • 38.1 cm (15")
    • 35.8 cm (14.1")
  • Processor frequency
    • 1.7 GHz
    • 1.73 GHz
  • Processor front side bus
    • 400 MHz
    • 533 MHz
  • Internal memory type
    • DDR-SDRAM
    • DDR2-SDRAM
  • Discrete graphics card model
    • AMD Mobility Radeon 7500
    • Intel® GMA 900
  • Maximum graphics card memory
    • 0.032 GB
    • 0.128 GB
  • Graphics card interface
    • AGP 4X
    • PCI Express
  • Firewire (IEEE 1394) ports
    • 1
    • 0

Side by side

Differences highlightedShow differences only
60 specifications
A

Lenovo

THINKPAD R51 P M-1.7(735) CENT. 256/40G/15/DVD/CDRW/WXP USView product
B

Lenovo

THINKPAD R52 P M-1.73(740) 256/40/14/DVD/CDRW COMBO/WXP USView product
Display1 differ
Display diagonalDiffers38.1 cm (15")35.8 cm (14.1")
Display resolution1024 x 768 pixels1024 x 768 pixels
Native aspect ratio4:34:3
Processor2 differ
Processor manufacturerIntelIntel
Processor frequencyDiffers1.7 GHz1.73 GHz
Processor front side busDiffers400 MHz533 MHz
Memory1 differ
Internal memory0.25 GB0.25 GB
Internal memory typeDiffersDDR-SDRAMDDR2-SDRAM
Storageidentical
Total storage capacity40 GB40 GB
Graphics3 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Mobility Radeon 7500Intel® GMA 900
Maximum graphics card memoryDiffers0.032 GB0.128 GB
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersAGP 4XPCI Express
Audioidentical
Audio systemKnown for oneSoundMAX
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 & interfaces2 differ
USB 2.0 ports quantity22
Ethernet LAN (RJ-45) ports11
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) portsDiffers10
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 portNoNo
TV-outYesYes
TV-out typeS-VideoS-Video
PS/2 ports quantity00
Parallel ports quantity11
Serial ports quantity00
I/O portsDiffers1x Expansion Bus port (for Dock II/Mini Dock or Port Replicator II)1x Docking/Port Replicator
USB 1.1 ports quantity00
Keyboardidentical
Pointing deviceThinkPad UltraNavThinkPad UltraNav
Keyboard typeFull sizeFull size
Software1 differ
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareDiffersAccess 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, ThinkVantage Access Connections, ThinkVantage Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics, Adobe Acrobat Reader
Battery1 differ
Battery life (max)Differs4 h3.8 h
Poweridentical
DC-in jackYesYes
Weight & dimensions2 differ
WeightDiffers3 kg2.6 kg
Dimensions (WxDxH)Differs332 x 269 x 38 mm314 x 260 x 34 mm
Hard driveidentical
Storage drive typeATA-100 (Enhanced IDE)ATA-100 (Enhanced IDE)
Other features1 differ
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 typeDiffers56K V.9056K V.92
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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