Product comparison · 2 laptops

Lenovo ThinkPad R400 (744333G), FR vs Lenovo ThinkPad T400 (2808D9G), FR

110specifications compared
28differ
82identical
12known for one product only

Key differences

Display resolution
- ThinkPad R400 (744333G), FR:1280 x 800 pixels
- ThinkPad T400 (2808D9G), FR:1440 x 900 pixels
Processor model
- ThinkPad R400 (744333G), FR:T6670
- ThinkPad T400 (2808D9G), FR:SP9400
Processor frequency
- ThinkPad R400 (744333G), FR:2.2 GHz
- ThinkPad T400 (2808D9G), FR:2.4 GHz
Processor cache
- ThinkPad R400 (744333G), FR:2 MB
- ThinkPad T400 (2808D9G), FR:6 MB
Processor front side bus
- ThinkPad R400 (744333G), FR:800 MHz
- ThinkPad T400 (2808D9G), FR:1066 MHz
Processor socket
- ThinkPad R400 (744333G), FR:Socket 478
- ThinkPad T400 (2808D9G), FR:BGA 956
Thermal Design Power (TDP)
- ThinkPad R400 (744333G), FR:35 W
- ThinkPad T400 (2808D9G), FR:25 W
CPU multiplier (bus/core ratio)
- ThinkPad R400 (744333G), FR:11
- ThinkPad T400 (2808D9G), FR:9

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R400 (744333G), FR, ThinkPad T400 (2808D9G), FR
122 specifications	A Lenovo ThinkPad R400 (744333G), FR View product	B Lenovo ThinkPad T400 (2808D9G), FR View product
Display1 differ
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
LED backlightKnown for one	Yes	Unknown — not stated by the source
Processor8 differ
Processor modelDiffers	T6670	SP9400
Processor frequencyDiffers	2.2 GHz	2.4 GHz
Processor cacheDiffers	2 MB	6 MB
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	Socket 478	BGA 956
Processor seriesDiffers	Intel Core 2 Duo T6000 Series	Intel Core 2 Duo SP9000 Series
Thermal Design Power (TDP)Differs	35 W	25 W
CPU multiplier (bus/core ratio)Differs	11	9
Memory3 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (slots x size)Differs	1 x 2 GB	2 x 2 GB
Maximum internal memoryDiffers	4 GB	8 GB
Storage1 differ
Total storage capacityDiffers	250 GB	128 GB
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Intel HDA 24-bit	HDA 24-bit
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 5100AGN	Intel WiFi 5100AGN
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces3 differ
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Firewire (IEEE 1394) portsDiffers	0	1
Docking connectorDiffers	No	Yes
Modem (RJ-11) portsDiffers	1	0
Keyboardidentical
Keyboard layoutKnown for one	Unknown — not stated by the source	AZERTY
Processor special features3 differ
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Processor ARK IDDiffers	42109	36693
Processor package sizeDiffers	35 x 35 mm	22 x 22 mm
Battery1 differ
Battery life (max)Differs	5.6 h	5.5 h
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightDiffers	2.4 kg	2.38 kg
WidthDiffers	335.5 mm	335 mm
HeightDiffers	34.9 mm	31.9 mm
Other features1 differ
Internal modemDiffers	Yes	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Modem typeKnown for one	1	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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