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

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
- ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too:35.8 cm (14.1")
- TS ThinkPad R51 Pentium M 725 1.6Ghz:38.1 cm (15")
Processor frequency
- ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too:1.8 GHz
- TS ThinkPad R51 Pentium M 725 1.6Ghz:1.6 GHz
Processor front side bus
- ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too:533 MHz
- TS ThinkPad R51 Pentium M 725 1.6Ghz:400 MHz
Internal memory
- ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too:0.5 GB
- TS ThinkPad R51 Pentium M 725 1.6Ghz:0.25 GB
Internal memory type
- ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too:DDR2-SDRAM
- TS ThinkPad R51 Pentium M 725 1.6Ghz:DDR-SDRAM
Maximum graphics card memory
- ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too:0.128 GB
- TS ThinkPad R51 Pentium M 725 1.6Ghz:0.064 GB
Graphics card interface
- ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too:PCI Express
- TS ThinkPad R51 Pentium M 725 1.6Ghz:Direct AGP
Firewire (IEEE 1394) ports
- ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too:0
- TS ThinkPad R51 Pentium M 725 1.6Ghz:1

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too, TS ThinkPad R51 Pentium M 725 1.6Ghz
70 specifications	A Lenovo ThinkPad T43 PM-750 512MB 40GB 14.1 inch TFT Centrino 11b/g Blue too View product	B Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz View product
Display1 differ
Display diagonalDiffers	35.8 cm (14.1")	38.1 cm (15")
Contrast ratio (typical)Known for one	Unknown — not stated by the source	750:1
Processor2 differ
Processor frequencyDiffers	1.8 GHz	1.6 GHz
Processor front side busDiffers	533 MHz	400 MHz
Memory2 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR-SDRAM
Storageidentical
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Graphics2 differ
Maximum graphics card memoryDiffers	0.128 GB	0.064 GB
Graphics card interfaceDiffers	PCI Express	Direct AGP
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA 900	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	SoundMAX	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Ports & interfaces4 differ
Firewire (IEEE 1394) portsDiffers	0	1
CardBus PCMCIA slots quantityDiffers	2	0
CardBus PCMCIA slot typeDiffers	Type II	No
I/O portsDiffers	Docking/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
Docking connectorKnown for one	No	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Softwareidentical
Bundled softwareKnown for one	Access 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	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Weight & dimensions2 differ
WeightDiffers	2.3 kg	2.7 kg
WidthKnown for one	Unknown — not stated by the source	332 mm
DepthKnown for one	Unknown — not stated by the source	269 mm
HeightKnown for one	Unknown — not stated by the source	37 mm
Dimensions (WxDxH)Differs	311 x 255 x 27 mm	332 x 269 x 37 mm
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
Battery typeDiffers	6 Cell	6 cell Li-Ion battery pack
Modem typeDiffers	56K V.92	V.92
Wake-on-LAN readyKnown for one	No	Unknown — not stated by the source
Wake-on-Ring readyKnown for one	No	Unknown — not stated by the source

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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