Product comparison · 2 laptops

Lenovo T400 (6474-25G) vs Lenovo T400s (2815-2PG)

110specifications compared
18differ
92identical
13known for one product only

Key differences

Processor model
- T400 (6474-25G):P8600
- T400s (2815-2PG):SP9400
Processor cache
- T400 (6474-25G):3 MB
- T400s (2815-2PG):6 MB
Processor socket
- T400 (6474-25G):Socket 479
- T400s (2815-2PG):BGA 956
Maximum internal memory
- T400 (6474-25G):8 GB
- T400s (2815-2PG):4 GB
Total storage capacity
- T400 (6474-25G):160 GB
- T400s (2815-2PG):128 GB
eSATA ports quantity
- T400 (6474-25G):0
- T400s (2815-2PG):1
DisplayPorts quantity
- T400 (6474-25G):0
- T400s (2815-2PG):1
ExpressCard slot
- T400 (6474-25G):Yes
- T400s (2815-2PG):No

Side by side

Differences highlightedShow differences only

Comparison of T400 (6474-25G), T400s (2815-2PG)
123 specifications	A Lenovo T400 (6474-25G)View product	B Lenovo T400s (2815-2PG)View product
Displayidentical
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Processor4 differ
Processor modelDiffers	P8600	SP9400
Processor cacheDiffers	3 MB	6 MB
Processor socketDiffers	Socket 479	BGA 956
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo SP9000 Series
SteppingKnown for one	R1	Unknown — not stated by the source
Memory1 differ
Maximum internal memoryDiffers	8 GB	4 GB
Storage1 differ
Total storage capacityDiffers	160 GB	128 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
SSD capacityKnown for one	Unknown — not stated by the source	128 GB
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Ports & interfaces4 differ
eSATA ports quantityDiffers	0	1
DisplayPorts quantityDiffers	0	1
ExpressCard slotDiffers	Yes	No
Modem (RJ-11) portsDiffers	1	0
Performance1 differ
Motherboard chipsetDiffers	Intel® GM45 Express	Intel® GS45 Express
Processor special features4 differ
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	35568	36693
Processor codeKnown for one	SLGDZ	Unknown — not stated by the source
Processor package sizeDiffers	35 x 35 mm	22 x 22 mm
Battery1 differ
Battery life (max)Differs	6.5 h	5.5 h
Securityidentical
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	335.3 mm	337 mm
DepthDiffers	238 mm	241 mm
Height (front)Known for one	2.76 cm	Unknown — not stated by the source
Height (rear)Known for one	3.19 cm	Unknown — not stated by the source
WeightKnown for one	Unknown — not stated by the source	1.77 kg
HeightKnown for one	Unknown — not stated by the source	21.1 mm
Other featuresidentical
Internal modemKnown for one	Yes	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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