Product comparison · 2 laptops

Lenovo ThinkPad T400 (6474R2G), UK vs Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA

106specifications compared
20differ
86identical
19known for one product only

Key differences

The Lenovo ThinkPad T400 (6474R2G), UK has 0.27 GHz more processor frequency than the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA (2.53 GHz vs 2.26 GHz). The Lenovo ThinkPad T400 (6474R2G), UK has 3 MB more processor cache than the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA (6 MB vs 3 MB). The Lenovo ThinkPad T400 (6474R2G), UK has 10 W more thermal Design Power (TDP) than the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA (35 W vs 25 W). Only the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA has idle States. Only the Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA has Intel Enhanced Halt State.

Display diagonal
- ThinkPad T400 (6474R2G), UK:35.8 cm (14.1")
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:39.1 cm (15.4")
Processor model
- ThinkPad T400 (6474R2G), UK:T9400
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:P8400
Processor frequency
- ThinkPad T400 (6474R2G), UK:2.53 GHz
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:2.26 GHz
Processor cache
- ThinkPad T400 (6474R2G), UK:6 MB
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:3 MB
Processor socket
- ThinkPad T400 (6474R2G), UK:Socket 479
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:Socket 478
Stepping
- ThinkPad T400 (6474R2G), UK:E0
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:M0
Thermal Design Power (TDP)
- ThinkPad T400 (6474R2G), UK:35 W
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:25 W
CPU multiplier (bus/core ratio)
- ThinkPad T400 (6474R2G), UK:9.5
- ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA:8.5

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T400 (6474R2G), UK, ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA
125 specifications	A Lenovo ThinkPad T400 (6474R2G), UK View product	B Lenovo ThinkPad T500 Intel Core 2 Duo P8400 (2.26GHz) /2x1GB /160GB /15.4" WXGA View product
Display1 differ
Display diagonalDiffers	35.8 cm (14.1")	39.1 cm (15.4")
Display surfaceKnown for one	Gloss	Unknown — not stated by the source
Processor8 differ
Processor modelDiffers	T9400	P8400
Processor frequencyDiffers	2.53 GHz	2.26 GHz
Processor cacheDiffers	6 MB	3 MB
Processor socketDiffers	Socket 479	Socket 478
Processor seriesDiffers	Intel Core 2 Duo T9000 Series	Intel Core 2 Duo P8000 Series
SteppingDiffers	E0	M0
Thermal Design Power (TDP)Differs	35 W	25 W
CPU multiplier (bus/core ratio)Differs	9.5	8.5
Memoryidentical
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Storageidentical
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No
On-board graphics card modelKnown for one	Unknown — not stated by the source	Not available
Audio1 differ
Audio systemDiffers	HDA 24-bit	Conexant
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Intel 82567LM
Wireless technologyDiffers	Intel WiFi 5100AGN	Intel WiFi Link 5300AGN
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features4 differ
Idle StatesDiffers	No	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Processor ARK IDDiffers	35562	35569
Processor codeDiffers	SLGEK	SL3BU
Battery2 differ
Number of battery cellsDiffers	9	6
Battery life (max)Differs	9.9 h	6.6 h
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
Password protection typeKnown for one	Unknown — not stated by the source	BIOS
Weight & dimensions1 differ
WeightDiffers	2.2 kg	2.63 kg
WidthKnown for one	335.5 mm	Unknown — not stated by the source
DepthKnown for one	239 mm	Unknown — not stated by the source
HeightKnown for one	31.9 mm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	357.5 x 255 x 33.5 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Modem typeKnown for one	Unknown — not stated by the source	56K V.90
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Optical driveidentical
DVD+R speedKnown for one	Unknown — not stated by the source	24x

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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