Product comparison · 2 laptops

Lenovo ThinkPad R400 (744515G), DE vs Lenovo ThinkPad T400 (6474R2G), NL

114specifications compared
24differ
90identical
10known for one product only

Key differences

Display resolution
- ThinkPad R400 (744515G), DE:1440 x 900 pixels
- ThinkPad T400 (6474R2G), NL:1280 x 800 pixels
Processor model
- ThinkPad R400 (744515G), DE:P8400
- ThinkPad T400 (6474R2G), NL:T9400
Processor frequency
- ThinkPad R400 (744515G), DE:2.26 GHz
- ThinkPad T400 (6474R2G), NL:2.53 GHz
Processor cache
- ThinkPad R400 (744515G), DE:3 MB
- ThinkPad T400 (6474R2G), NL:6 MB
Processor socket
- ThinkPad R400 (744515G), DE:Socket 478
- ThinkPad T400 (6474R2G), NL:Socket 479
Stepping
- ThinkPad R400 (744515G), DE:M0
- ThinkPad T400 (6474R2G), NL:E0
Thermal Design Power (TDP)
- ThinkPad R400 (744515G), DE:25 W
- ThinkPad T400 (6474R2G), NL:35 W
CPU multiplier (bus/core ratio)
- ThinkPad R400 (744515G), DE:8.5
- ThinkPad T400 (6474R2G), NL:9.5

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R400 (744515G), DE, ThinkPad T400 (6474R2G), NL
124 specifications	A Lenovo ThinkPad R400 (744515G), DE View product	B Lenovo ThinkPad T400 (6474R2G), NL View product
Display1 differ
Display resolutionDiffers	1440 x 900 pixels	1280 x 800 pixels
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor8 differ
Processor modelDiffers	P8400	T9400
Processor frequencyDiffers	2.26 GHz	2.53 GHz
Processor cacheDiffers	3 MB	6 MB
Processor socketDiffers	Socket 478	Socket 479
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo T9000 Series
SteppingDiffers	M0	E0
Thermal Design Power (TDP)Differs	25 W	35 W
CPU multiplier (bus/core ratio)Differs	8.5	9.5
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Storageidentical
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Audio1 differ
Audio systemDiffers	Intel HDA 24-bit	HDA 24-bit
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Network2 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 5100AGN	Intel WiFi 5100AGN
Ports & interfaces1 differ
ExpressCard slotDiffers	Yes	No
Keyboardidentical
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Softwareidentical
Trial softwareKnown for one	Microsoft Office 2007	Unknown — not stated by the source
Processor special features4 differ
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	35569	35562
Processor codeDiffers	SL3BU	SLGEK
Battery2 differ
Number of battery cellsDiffers	4	9
Battery life (max)Differs	3.7 h	9.9 h
Weight & dimensions4 differ
WeightDiffers	2.3 kg	2.2 kg
WidthDiffers	355.5 mm	335.5 mm
DepthDiffers	238 mm	239 mm
HeightDiffers	34.9 mm	31.9 mm
Other featuresidentical
Modem typeKnown for one	1	Unknown — not stated by the source
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business

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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