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
Display diagonal	38.1 cm (15")	38.1 cm (15")
Display resolution	1024 x 768 pixels	1024 x 768 pixels
Native aspect ratio	4:3	4:3
Contrast ratio (typical)Known for one	750:1	Unknown — not stated by the source
Processor2 differ
Processor manufacturer	Intel	Intel
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
HDD speed	5400 RPM	5400 RPM
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
Maximum graphics card memory	0.064 GB	0.064 GB
Maximum resolution	2048 x 1536 pixels	2048 x 1536 pixels
Graphics card interfaceDiffers	Direct AGP	PCI Express
Audioidentical
Number of built-in speakers	2	2
Cameraidentical
Front camera	No	No
Optical driveidentical
CD read speed	24x	24x
CD write speed	24x	24x
CD rewrite speed	24x	24x
DVD read speed	8x	8x
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
USB 2.0 ports quantity	2	2
Ethernet LAN (RJ-45) ports	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	1	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-out	Yes	Yes
TV-out type	S-Video	S-Video
PS/2 ports quantity	0	0
Parallel ports quantity	1	1
Serial ports quantity	0	0
USB 1.1 ports quantity	0	0
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
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard typeKnown for one	Full size	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
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
Poweridentical
DC-in jack	Yes	Yes
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
Hard driveidentical
Storage drive type	ATA-100 (Enhanced IDE)	ATA-100 (Enhanced IDE)
Other features2 differ
Infrared data port	Yes	Yes
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
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeDiffers	V.92	56K V.92
Supplied AC adapter type	AC	AC
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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