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Product comparison · 2 laptops

Lenovo ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too vs Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz

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  • 53specifications compared
  • 16differ
  • 37identical
  • 17known for one product only

Key differences

The Lenovo ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too has 0.2 GHz more processor frequency than the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz (1.8 GHz vs 1.6 GHz). The Lenovo ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too has 133 MHz more processor front side bus than the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz (533 MHz vs 400 MHz). The Lenovo ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too has 0.25 GB more internal memory than the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz (0.5 GB vs 0.25 GB). Display diagonal: 35.8 cm (14.1") on the Lenovo ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too, 38.1 cm (15") on the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz. Internal memory type: DDR2-SDRAM on the Lenovo ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too, DDR-SDRAM on the Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz.

  • Display diagonal
    • 35.8 cm (14.1")
    • 38.1 cm (15")
  • Processor frequency
    • 1.8 GHz
    • 1.6 GHz
  • Processor front side bus
    • 533 MHz
    • 400 MHz
  • Internal memory
    • 0.5 GB
    • 0.25 GB
  • Internal memory type
    • DDR2-SDRAM
    • DDR-SDRAM
  • Maximum graphics card memory
    • 0.128 GB
    • 0.064 GB
  • Graphics card interface
    • PCI Express
    • Direct AGP
  • Firewire (IEEE 1394) ports
    • 0
    • 1

Side by side

Differences highlightedShow differences only
70 specifications
A

Lenovo

ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue tooView product
B

Lenovo

TS ThinkPad R51 Pentium M 725 1.6GhzView 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
Contrast ratio (typical)Known for one750:1
Processor2 differ
Processor manufacturerIntelIntel
Processor frequencyDiffers1.8 GHz1.6 GHz
Processor front side busDiffers533 MHz400 MHz
Memory2 differ
Internal memoryDiffers0.5 GB0.25 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Storageidentical
Total storage capacity40 GB40 GB
HDD speed5400 RPM5400 RPM
Optical drive typeKnown for oneDVD-ROM
Graphics2 differ
Maximum graphics card memoryDiffers0.128 GB0.064 GB
Maximum resolution2048 x 1536 pixels2048 x 1536 pixels
Graphics card interfaceDiffersPCI ExpressDirect AGP
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel® GMA 900
Audioidentical
Number of built-in speakers22
Audio systemKnown for oneSoundMAX
Cameraidentical
Front cameraKnown for oneNo
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 802.11g/BluetoothEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces4 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
CardBus PCMCIA slots quantityDiffers20
CardBus PCMCIA slot typeDiffersType IINo
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 portsDiffersDocking/Port Replicator•S-Video out •2 USB 2.0 •RJ-45 •Parallel •RJ-11 •Headphone/Line out •Infrared •IEEE 1394 •Line in •AC adapter •Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) •External microphone •External Display, USB, parallel, RJ-11, RJ-45, FIR, IEEE 1394
USB 1.1 ports quantity00
Docking connectorKnown for oneNo
Keyboardidentical
Pointing deviceKnown for oneThinkPad UltraNav
Keyboard typeFull sizeFull size
Softwareidentical
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareKnown for oneAccess IBM, Access Program, Client Security Software, IBM Access Connections, IBM Client Security Software (web-downloadable), Norton AntiVirus 2004, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics, PC-Doctor, Rescue and Recovery with Rapid Restore, Adobe Acrob
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 & dimensions2 differ
WeightDiffers2.3 kg2.7 kg
WidthKnown for one332 mm
DepthKnown for one269 mm
HeightKnown for one37 mm
Dimensions (WxDxH)Differs311 x 255 x 27 mm332 x 269 x 37 mm
Hard driveidentical
Storage drive typeATA-100 (Enhanced IDE)ATA-100 (Enhanced IDE)
Other features3 differ
Security featuresDiffers-Supervisor password -Embedded Security Subsystem 2.0 -Hard disk drive password -Integrated fingerprint reader -Power-on password -Security lock slot•IBM Embedded Security Subsystem 2.0 •IBM Security Slot •Power-on password •Supervisor password •Hard disk drive password
Infrared data portYesYes
Battery typeDiffers6 Cell6 cell Li-Ion battery pack
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Modem typeDiffers56K V.92V.92
Supplied AC adapter typeACAC
Wake-on-LAN readyKnown for oneNo
Wake-on-Ring readyKnown for oneNo

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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