Product comparison · 2 laptops

Lenovo ThinkPad T400 (647425G), UK vs Lenovo ThinkPad T500 (20894XG), UK

118specifications compared
25differ
93identical
8known for one product only

Key differences

Display diagonal
- ThinkPad T400 (647425G), UK:35.8 cm (14.1")
- ThinkPad T500 (20894XG), UK:39.1 cm (15.4")
Display resolution
- ThinkPad T400 (647425G), UK:1440 x 900 pixels
- ThinkPad T500 (20894XG), UK:1280 x 800 pixels
Processor model
- ThinkPad T400 (647425G), UK:P8600
- ThinkPad T500 (20894XG), UK:T9400
Processor frequency
- ThinkPad T400 (647425G), UK:2.4 GHz
- ThinkPad T500 (20894XG), UK:2.53 GHz
Processor cache
- ThinkPad T400 (647425G), UK:3 MB
- ThinkPad T500 (20894XG), UK:6 MB
Stepping
- ThinkPad T400 (647425G), UK:R1
- ThinkPad T500 (20894XG), UK:E0
Thermal Design Power (TDP)
- ThinkPad T400 (647425G), UK:25 W
- ThinkPad T500 (20894XG), UK:35 W
CPU multiplier (bus/core ratio)
- ThinkPad T400 (647425G), UK:9
- ThinkPad T500 (20894XG), UK:9.5

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T400 (647425G), UK, ThinkPad T500 (20894XG), UK
126 specifications	A Lenovo ThinkPad T400 (647425G), UK View product	B Lenovo ThinkPad T500 (20894XG), UK View product
Display2 differ
Display diagonalDiffers	35.8 cm (14.1")	39.1 cm (15.4")
Display resolutionDiffers	1440 x 900 pixels	1280 x 800 pixels
LED backlightKnown for one	Yes	Unknown — not stated by the source
Display surfaceKnown for one	Gloss	Unknown — not stated by the source
Processor7 differ
Processor modelDiffers	P8600	T9400
Processor frequencyDiffers	2.4 GHz	2.53 GHz
Processor cacheDiffers	3 MB	6 MB
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo T9000 Series
SteppingDiffers	R1	E0
Thermal Design Power (TDP)Differs	25 W	35 W
CPU multiplier (bus/core ratio)Differs	9	9.5
Memory1 differ
Maximum internal memoryDiffers	4 GB	8 GB
Storage1 differ
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, MS Pro, SD, SDHC, xD
Audio1 differ
Audio systemDiffers	HDA 24-bit	Conexant CX20561-12Z
Network2 differ
Wireless technologyDiffers	Intel WiFi 5100AGN	Intel 5100AGN
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces2 differ
Firewire (IEEE 1394) portsDiffers	1	0
ExpressCard slotDiffers	No	Yes
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Processor special features5 differ
Embedded options availableDiffers	No	Yes
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	35568	35562
Processor codeDiffers	SLGDZ	SLGEK
Weight & dimensions4 differ
WeightDiffers	2.2 kg	2.63 kg
WidthDiffers	335.5 mm	357.5 mm
DepthDiffers	239 mm	255 mm
HeightDiffers	31.9 mm	33.5 mm
Other featuresidentical
Modem typeKnown for one	Unknown — not stated by the source	56K V.90

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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