Product comparison · 2 laptops

Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz vs Lenovo TS ThinkPad T43 Cent1800 512MB 60GB WXPP

52specifications compared
13differ
39identical
21known for one product only

Key differences

Processor frequency
- TS ThinkPad R51 Pentium M 725 1.6Ghz:1.6 GHz
- TS ThinkPad T43 Cent1800 512MB 60GB WXPP:1.86 GHz
Processor front side bus
- TS ThinkPad R51 Pentium M 725 1.6Ghz:400 MHz
- TS ThinkPad T43 Cent1800 512MB 60GB WXPP:533 MHz
Internal memory
- TS ThinkPad R51 Pentium M 725 1.6Ghz:0.25 GB
- TS ThinkPad T43 Cent1800 512MB 60GB WXPP:0.5 GB
Internal memory type
- TS ThinkPad R51 Pentium M 725 1.6Ghz:DDR-SDRAM
- TS ThinkPad T43 Cent1800 512MB 60GB WXPP:DDR2-SDRAM
Total storage capacity
- TS ThinkPad R51 Pentium M 725 1.6Ghz:40 GB
- TS ThinkPad T43 Cent1800 512MB 60GB WXPP:60 GB
Graphics card interface
- TS ThinkPad R51 Pentium M 725 1.6Ghz:Direct AGP
- TS ThinkPad T43 Cent1800 512MB 60GB WXPP:PCI Express
Firewire (IEEE 1394) ports
- TS ThinkPad R51 Pentium M 725 1.6Ghz:1
- TS ThinkPad T43 Cent1800 512MB 60GB WXPP:0
Battery life (max)
- TS ThinkPad R51 Pentium M 725 1.6Ghz:4 h
- TS ThinkPad T43 Cent1800 512MB 60GB WXPP:3.7 h

Side by side

Differences highlightedShow differences only

Comparison of TS ThinkPad R51 Pentium M 725 1.6Ghz, TS ThinkPad T43 Cent1800 512MB 60GB WXPP
73 specifications	A Lenovo TS ThinkPad R51 Pentium M 725 1.6Ghz View product	B Lenovo TS ThinkPad T43 Cent1800 512MB 60GB WXPP View product
Displayidentical
Contrast ratio (typical)Known for one	750:1	Unknown — not stated by the source
Processor2 differ
Processor frequencyDiffers	1.6 GHz	1.86 GHz
Processor front side busDiffers	400 MHz	533 MHz
Memory2 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Internal memory typeDiffers	DDR-SDRAM	DDR2-SDRAM
Storage1 differ
Total storage capacityDiffers	40 GB	60 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Graphics1 differ
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	AMD Mobility Radeon X300
Graphics card interfaceDiffers	Direct AGP	PCI Express
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth	Ethernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/Bluetooth
BluetoothKnown for one	Unknown — not stated by the source	No
Ports & interfaces1 differ
Firewire (IEEE 1394) portsDiffers	1	0
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
I/O portsKnown for one	•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	Unknown — not stated by the source
Keyboardidentical
Keyboard typeKnown for one	Full size	Unknown — not stated by the source
Softwareidentical
Bundled softwareKnown for one	Unknown — not stated by the source	ThinkVantage Access Connections; ThinkVantage Client Security Solution; ThinkVantage Rescue Recovery, PC-Doctor, Adobe Acrobat Reader
Battery1 differ
Battery life (max)Differs	4 h	3.7 h
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Weight & dimensions2 differ
WeightDiffers	2.7 kg	2.4 kg
Dimensions (WxDxH)Differs	332 x 269 x 37 mm	329 x 268 x 31 mm
WidthKnown for one	332 mm	Unknown — not stated by the source
DepthKnown for one	269 mm	Unknown — not stated by the source
HeightKnown for one	37 mm	Unknown — not stated by the source
Other features2 differ
Battery typeDiffers	6 cell Li-Ion battery pack	6 Cell Lithium-Ion
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	No
Wake-on-Ring readyKnown for one	Unknown — not stated by the source	No
Modem typeDiffers	V.92	56K V.92
Security featuresKnown for one	•IBM Embedded Security Subsystem 2.0 •IBM Security Slot •Power-on password •Supervisor password •Hard disk drive password	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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