Product comparison · 2 laptops

Lenovo ThinkPad X40 vs Lenovo TS ThinkPad R51 PM 735 1.7Ghz

44specifications compared
20differ
24identical
20known for one product only

Key differences

Display diagonal
- ThinkPad X40:30.7 cm (12.1")
- TS ThinkPad R51 PM 735 1.7Ghz:38.1 cm (15")
Display resolution
- ThinkPad X40:1024 x 768 pixels
- TS ThinkPad R51 PM 735 1.7Ghz:1400 x 1050 pixels
Processor frequency
- ThinkPad X40:1.4 GHz
- TS ThinkPad R51 PM 735 1.7Ghz:1.7 GHz
Total storage capacity
- ThinkPad X40:40 GB
- TS ThinkPad R51 PM 735 1.7Ghz:60 GB
Optical drive type
- ThinkPad X40:No
- TS ThinkPad R51 PM 735 1.7Ghz:DVD-RW
Maximum graphics card memory
- ThinkPad X40:0.064 GB
- TS ThinkPad R51 PM 735 1.7Ghz:0.032 GB
Graphics card interface
- ThinkPad X40:Direct AGP
- TS ThinkPad R51 PM 735 1.7Ghz:AGP 4X
Number of built-in speakers
- ThinkPad X40:1
- TS ThinkPad R51 PM 735 1.7Ghz:2

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad X40, TS ThinkPad R51 PM 735 1.7Ghz
64 specifications	A Lenovo ThinkPad X40 View product	B Lenovo TS ThinkPad R51 PM 735 1.7Ghz View product
Display2 differ
Display diagonalDiffers	30.7 cm (12.1")	38.1 cm (15")
Display resolutionDiffers	1024 x 768 pixels	1400 x 1050 pixels
Native aspect ratio	4:3	4:3
Processor1 differ
Processor manufacturerKnown for one	Unknown — not stated by the source	Intel
Processor frequencyDiffers	1.4 GHz	1.7 GHz
Processor front side bus	400 MHz	400 MHz
Memoryidentical
Internal memory	0.5 GB	0.5 GB
Internal memory type	DDR-SDRAM	DDR-SDRAM
Maximum internal memoryKnown for one	Unknown — not stated by the source	2 GB
Storage2 differ
Total storage capacityDiffers	40 GB	60 GB
Optical drive typeDiffers	No	DVD-RW
HDD interfaceKnown for one	Ultra-ATA/100	Unknown — not stated by the source
HDD speedKnown for one	4200 RPM	Unknown — not stated by the source
Compatible memory cardsKnown for one	SD	Unknown — not stated by the source
Graphics2 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 9000 IGP
Maximum graphics card memoryDiffers	0.064 GB	0.032 GB
Graphics card interfaceDiffers	Direct AGP	AGP 4X
Audio1 differ
Audio system	SoundMAX	SoundMAX
Number of built-in speakersDiffers	1	2
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth
Wireless technologyKnown for one	IEEE 802.11b/IEEE 802.11g/Bluetooth	Unknown — not stated by the source
Ports & interfaces6 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	0	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
SmartCard slotDiffers	Yes	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-outDiffers	No	Yes
TV-out typeKnown for one	Unknown — not stated by the source	S-Video
PS/2 ports quantity	0	0
Parallel ports quantityDiffers	0	1
Serial ports quantity	0	0
USB 1.1 ports quantity	0	0
Keyboard1 differ
Pointing deviceDiffers	Trackpad	ThinkPad UltraNav
Keyboard typeKnown for one	Unknown — not stated by the source	Full size
Keyboard number of keysKnown for one	85	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareKnown for one	Access Program, Drive Letter Access, Record Now, ThinkVantage Access Connections, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2003 OEM Version, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics, Intervideo WinDVD, Adobe Acrobat Reader	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	4	6
Battery life (max)Differs	3.5 h	3.7 h
Poweridentical
DC-in jack	Yes	Yes
Weight & dimensions2 differ
WeightDiffers	1.24 kg	3 kg
Dimensions (WxDxH)Differs	268 x 211 x 27 mm	332 x 269 x 38 mm
Hard driveidentical
Storage drive typeKnown for one	Unknown — not stated by the source	ATA-100 (Enhanced IDE)
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	-Hard disk drive password -Power-on password -Security Slot -Supervisor password
Infrared data port	Yes	Yes
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 typeKnown for one	Unknown — not stated by the source	56K V.92
Supplied AC adapter type	AC	AC
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Securityidentical
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

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.

More laptop comparisons

All laptop comparisons