Product comparison · 2 laptops

Lenovo ThinkPad 400 Intel® Core™2 Duo P8400 vs Lenovo T400 (2767-R8G)

104specifications compared
21differ
83identical
24known for one product only

Key differences

Processor model
- ThinkPad 400 Intel® Core™2 Duo P8400:P8400
- T400 (2767-R8G):T9400
Processor frequency
- ThinkPad 400 Intel® Core™2 Duo P8400:2.26 GHz
- T400 (2767-R8G):2.53 GHz
Processor cache
- ThinkPad 400 Intel® Core™2 Duo P8400:3 MB
- T400 (2767-R8G):6 MB
Processor socket
- ThinkPad 400 Intel® Core™2 Duo P8400:Socket 478
- T400 (2767-R8G):Socket 479
Stepping
- ThinkPad 400 Intel® Core™2 Duo P8400:M0
- T400 (2767-R8G):E0
Thermal Design Power (TDP)
- ThinkPad 400 Intel® Core™2 Duo P8400:25 W
- T400 (2767-R8G):35 W
CPU multiplier (bus/core ratio)
- ThinkPad 400 Intel® Core™2 Duo P8400:8.5
- T400 (2767-R8G):9.5
Internal memory
- ThinkPad 400 Intel® Core™2 Duo P8400:1 GB
- T400 (2767-R8G):2 GB

Side by side

Differences highlightedShow differences only

Comparison of 400, T400 (2767-R8G)
128 specifications	A Lenovo ThinkPad 400 Intel® Core™2 Duo P8400 Model 400 View product	B Lenovo T400 (2767-R8G)View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Displayidentical
Display brightnessKnown for one	Unknown — not stated by the source	185 cd/m²
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
Memory2 differ
Internal memoryDiffers	1 GB	2 GB
Maximum internal memoryDiffers	4 GB	8 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	80 GB	160 GB
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, SDHC	Unknown — not stated by the source
Graphics2 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelDiffers	Intel® GMA 4500MHD	AMD Radeon HD 3470
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	0.25 GB
Graphics card familyDiffers	Intel	AMD
On-board graphics card modelKnown for one	Unknown — not stated by the source	Not available
Networkidentical
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces1 differ
Docking connectorDiffers	Yes	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GM45 Express
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Processor special features4 differ
Idle StatesDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Processor ARK IDDiffers	35569	35562
Processor codeDiffers	SL3BU	SLGEK
Batteryidentical
Battery life (max)Known for one	Unknown — not stated by the source	6.5 h
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Password protection typeKnown for one	HDD	Unknown — not stated by the source
Weight & dimensions1 differ
WidthDiffers	335.5 mm	335.3 mm
Height (front)Known for one	Unknown — not stated by the source	2.76 cm
Height (rear)Known for one	Unknown — not stated by the source	3.19 cm
WeightKnown for one	2.38 kg	Unknown — not stated by the source
HeightKnown for one	32 mm	Unknown — not stated by the source
Other featuresidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Internal modemKnown for one	Unknown — not stated by the source	Yes
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	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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