Product comparison · 2 laptops

Lenovo ThinkPad X31 vs Lenovo ThinkPad X40

49specifications compared
12differ
37identical
14known for one product only

Key differences

Processor frequency
- ThinkPad X31:1.6 GHz
- ThinkPad X40:1.4 GHz
Internal memory
- ThinkPad X31:0.25 GB
- ThinkPad X40:0.5 GB
Maximum graphics card memory
- ThinkPad X31:0.016 GB
- ThinkPad X40:0.064 GB
Firewire (IEEE 1394) ports
- ThinkPad X31:1
- ThinkPad X40:0
Docking connector
- ThinkPad X31:Yes
- ThinkPad X40:No
SmartCard slot
- ThinkPad X31:No
- ThinkPad X40:Yes
Parallel ports quantity
- ThinkPad X31:1
- ThinkPad X40:0
Number of battery cells
- ThinkPad X31:6
- ThinkPad X40:4

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad X31, ThinkPad X40
63 specifications	A Lenovo ThinkPad X31 View product	B Lenovo ThinkPad X40 View product
Processor1 differ
Processor frequencyDiffers	1.6 GHz	1.4 GHz
Processor cacheKnown for one	1 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memoryKnown for one	2 GB	Unknown — not stated by the source
Storageidentical
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD
Graphics1 differ
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	AMD Mobility Radeon 7000	Unknown — not stated by the source
Maximum graphics card memoryDiffers	0.016 GB	0.064 GB
Graphics card interfaceKnown for one	Unknown — not stated by the source	Direct AGP
Networkidentical
BluetoothKnown for one	No	Unknown — not stated by the source
Wireless technologyKnown for one	Unknown — not stated by the source	IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfaces4 differ
Firewire (IEEE 1394) portsDiffers	1	0
Docking connectorDiffers	Yes	No
SmartCard slotDiffers	No	Yes
Parallel ports quantityDiffers	1	0
Keyboardidentical
Keyboard number of keysKnown for one	Unknown — not stated by the source	85
Software1 differ
Bundled softwareDiffers	Access Program, Rapid Restore Ultra, ThinkVantage Access Connections, Norton AntiVirus 2003 OEM Version, PC-Doctor, Adobe Acrobat Reader	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
Battery2 differ
Number of battery cellsDiffers	6	4
Battery life (max)Differs	5.5 h	3.5 h
Weight & dimensions2 differ
WeightDiffers	1.64 kg	1.24 kg
WidthKnown for one	273 mm	Unknown — not stated by the source
DepthKnown for one	223 mm	Unknown — not stated by the source
HeightKnown for one	30 mm	Unknown — not stated by the source
Dimensions (WxDxH)Differs	273 x 223 x 30 mm	268 x 211 x 27 mm
Other featuresidentical
Modem typeKnown for one	V.92	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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