Product comparison · 2 laptops

Lenovo ThinkPad SL300 vs Lenovo ThinkPad T400

90specifications compared
31differ
59identical
29known for one product only

Key differences

Display diagonal
- ThinkPad SL300:33.8 cm (13.3")
- ThinkPad T400:35.8 cm (14.1")
Display resolution
- ThinkPad SL300:1280 x 800 pixels
- ThinkPad T400:1440 x 900 pixels
Processor model
- ThinkPad SL300:T5670
- ThinkPad T400:P8600
Processor frequency
- ThinkPad SL300:1.8 GHz
- ThinkPad T400:2.4 GHz
Processor cache
- ThinkPad SL300:2 MB
- ThinkPad T400:3 MB
Processor front side bus
- ThinkPad SL300:800 MHz
- ThinkPad T400:1066 MHz
Processor socket
- ThinkPad SL300:LGA 3647 (Socket P)
- ThinkPad T400:Socket 479
Processor lithography
- ThinkPad SL300:65 nm
- ThinkPad T400:45 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad SL300, ThinkPad T400
119 specifications	A Lenovo ThinkPad SL300 View product	B Lenovo ThinkPad T400 View product
Display2 differ
Display diagonalDiffers	33.8 cm (13.3")	35.8 cm (14.1")
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Processor12 differ
Processor modelDiffers	T5670	P8600
Processor frequencyDiffers	1.8 GHz	2.4 GHz
Processor cacheDiffers	2 MB	3 MB
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	LGA 3647 (Socket P)	Socket 479
Processor lithographyDiffers	65 nm	45 nm
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo P8000 Series
Processor codenameDiffers	Merom	Penryn
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingDiffers	M0	R1
Thermal Design Power (TDP)Differs	35 W	25 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die TransistorsDiffers	291 M	410 M
Processing Die sizeDiffers	143 mm²	107 mm²
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory1 differ
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	2 x 1 GB	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	160 GB	250 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 4500MHD	AMD Mobility Radeon HD 3470
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Audio2 differ
Audio systemDiffers	Conexant Azalia Audio Codec	High Definition Audio
Speaker powerDiffers	3 W	2 W
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Ports & interfaces2 differ
HDMI ports quantityDiffers	1	0
Docking connectorDiffers	No	Yes
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Embedded options availableKnown for one	Unknown — not stated by the source	No
Execute Disable BitDiffers	No	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Processor ARK IDDiffers	35163	35568
Processor codeDiffers	SLAJ5	SLGDZ
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Battery1 differ
Battery life (max)Differs	4.5 h	6.3 h
Security1 differ
Cable lock slot typeDiffers	IBM	Kensington
Weight & dimensions3 differ
WeightDiffers	2.1 kg	2.14 kg
WidthDiffers	318 mm	335.5 mm
HeightDiffers	36 mm	32 mm
Other featuresidentical
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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