Product comparison · 2 laptops

Lenovo ThinkPad SL500 (2746E7G), FR vs Lenovo ThinkPad T400s

77specifications compared
29differ
48identical
51known for one product only

Key differences

Display diagonal
- ThinkPad SL500 (2746E7G), FR:39.1 cm (15.4")
- ThinkPad T400s:35.8 cm (14.1")
Display resolution
- ThinkPad SL500 (2746E7G), FR:1280 x 800 pixels
- ThinkPad T400s:1440 x 900 pixels
Processor model
- ThinkPad SL500 (2746E7G), FR:T5870
- ThinkPad T400s:SP9400
Processor frequency
- ThinkPad SL500 (2746E7G), FR:2 GHz
- ThinkPad T400s:2.4 GHz
Processor cache
- ThinkPad SL500 (2746E7G), FR:2 MB
- ThinkPad T400s:6 MB
Processor front side bus
- ThinkPad SL500 (2746E7G), FR:800 MHz
- ThinkPad T400s:1066 MHz
Processor socket
- ThinkPad SL500 (2746E7G), FR:LGA 3647 (Socket P)
- ThinkPad T400s:BGA 956
Processor lithography
- ThinkPad SL500 (2746E7G), FR:65 nm
- ThinkPad T400s:45 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad SL500 (2746E7G), FR, ThinkPad T400s
128 specifications	A Lenovo ThinkPad SL500 (2746E7G), FR View product	B Lenovo ThinkPad T400s View product
Designidentical
Product typeKnown for one	Unknown — not stated by the source	Laptop
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor12 differ
Processor modelDiffers	T5870	SP9400
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	2 GHz	2.4 GHz
Processor cacheDiffers	2 MB	6 MB
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	LGA 3647 (Socket P)	BGA 956
Processor lithographyDiffers	65 nm	45 nm
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Core 2 Duo SP9000 Series
Processor codenameKnown for one	Unknown — not stated by the source	Penryn
Bus typeKnown for one	Unknown — not stated by the source	FSB
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
CPU multiplier (bus/core ratio)Differs	10	9
ECC supported by processorKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	M0	Unknown — not stated by the source
Memory2 differ
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Maximum internal memoryDiffers	4 GB	8 GB
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Storage1 differ
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Card reader integratedDiffers	Yes	No
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, MS Pro, SD, SDHC, xD	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Conexant Azalia 24-bit	High Definition Audio
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	3 W	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	ntel WiFi 5100AGN	802.11 a/g/n
BluetoothDiffers	No	Yes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	4	2
HDMI ports quantityDiffers	1	0
Firewire (IEEE 1394) portsDiffers	1	0
Docking connectorDiffers	No	Yes
Keyboardidentical
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Softwareidentical
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Trial softwareKnown for one	Microsoft Office 2007	Unknown — not stated by the source
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Idle StatesKnown for one	Unknown — not stated by the source	No
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	No
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)Known for one	Unknown — not stated by the source	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	37034	36693
Processor package sizeDiffers	35 x 35 mm	22 x 22 mm
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Processor codeKnown for one	SLAZR	Unknown — not stated by the source
Batteryidentical
Battery life (max)Known for one	4 h	Unknown — not stated by the source
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	30 - 80%
Weight & dimensions1 differ
WeightDiffers	2.9 kg	1.63 kg
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	335 x 238 x 32 mm
WidthKnown for one	358 mm	Unknown — not stated by the source
DepthKnown for one	260 mm	Unknown — not stated by the source
HeightKnown for one	39 mm	Unknown — not stated by the source
Other featuresidentical
Power requirementsKnown for one	Unknown — not stated by the source	100V – 240V AC, 50Hz/60Hz
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
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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