Product comparison · 2 laptops

Lenovo ThinkPad T400 (64734JG) vs Lenovo ThinkPad T400s (2808DDG)

Key differences

Display resolution
- ThinkPad T400 (64734JG):1280 x 800 pixels
- ThinkPad T400s (2808DDG):1440 x 900 pixels
Processor model
- ThinkPad T400 (64734JG):P8400
- ThinkPad T400s (2808DDG):SP9400
Processor frequency
- ThinkPad T400 (64734JG):2.26 GHz
- ThinkPad T400s (2808DDG):2.4 GHz
Processor cache
- ThinkPad T400 (64734JG):3 MB
- ThinkPad T400s (2808DDG):6 MB
Processor socket
- ThinkPad T400 (64734JG):Socket 478
- ThinkPad T400s (2808DDG):BGA 956
CPU multiplier (bus/core ratio)
- ThinkPad T400 (64734JG):8.5
- ThinkPad T400s (2808DDG):9
Maximum internal memory
- ThinkPad T400 (64734JG):4 GB
- ThinkPad T400s (2808DDG):8 GB
Wireless technology
- ThinkPad T400 (64734JG):Intel WiFi 5100AGN
- ThinkPad T400s (2808DDG):Intel WiFi 5300AGN

Differences highlightedShow differences only

Comparison of ThinkPad T400 (64734JG), ThinkPad T400s (2808DDG)
122 specifications	A Lenovo ThinkPad T400 (64734JG)View product	B Lenovo ThinkPad T400s (2808DDG)View product
Display1 differ
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Processor6 differ
Processor modelDiffers	P8400	SP9400
Processor frequencyDiffers	2.26 GHz	2.4 GHz
Processor cacheDiffers	3 MB	6 MB
Processor socketDiffers	Socket 478	BGA 956
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo SP9000 Series
SteppingKnown for one	M0	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	8.5	9
Memory1 differ
Maximum internal memoryDiffers	4 GB	8 GB
Network1 differ
Wireless technologyDiffers	Intel WiFi 5100AGN	Intel WiFi 5300AGN
Ports & interfaces1 differ
Modem (RJ-11) portsDiffers	1	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Processor special features5 differ
Embedded options availableDiffers	Yes	No
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	35569	36693
Processor codeKnown for one	SL3BU	Unknown — not stated by the source
Processor package sizeDiffers	35 x 35 mm	22 x 22 mm
Battery1 differ
Battery life (max)Differs	6.6 h	5.5 h
Weight & dimensions1 differ
WidthDiffers	335.5 mm	335 mm
Other features1 differ
Internal modemDiffers	Yes	No

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.