Product comparison · 2 laptops

Lenovo ThinkPad SL500 (2746P3G), BE vs Lenovo ThinkPad T400 + ThinkPad Advanced Mini Dock

87specifications compared
36differ
51identical
35known for one product only

Key differences

Display diagonal
- ThinkPad SL500 (2746P3G), BE:39.1 cm (15.4")
- ThinkPad T400 + ThinkPad Advanced Mini Dock:35.8 cm (14.1")
Processor model
- ThinkPad SL500 (2746P3G), BE:T5870
- ThinkPad T400 + ThinkPad Advanced Mini Dock:P8400
Processor frequency
- ThinkPad SL500 (2746P3G), BE:2 GHz
- ThinkPad T400 + ThinkPad Advanced Mini Dock:2.26 GHz
Processor cache
- ThinkPad SL500 (2746P3G), BE:2 MB
- ThinkPad T400 + ThinkPad Advanced Mini Dock:3 MB
Processor front side bus
- ThinkPad SL500 (2746P3G), BE:800 MHz
- ThinkPad T400 + ThinkPad Advanced Mini Dock:1066 MHz
Processor socket
- ThinkPad SL500 (2746P3G), BE:LGA 3647 (Socket P)
- ThinkPad T400 + ThinkPad Advanced Mini Dock:Socket 478
Processor lithography
- ThinkPad SL500 (2746P3G), BE:65 nm
- ThinkPad T400 + ThinkPad Advanced Mini Dock:45 nm
Thermal Design Power (TDP)
- ThinkPad SL500 (2746P3G), BE:35 W
- ThinkPad T400 + ThinkPad Advanced Mini Dock:25 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad SL500 (2746P3G), BE, ThinkPad T400 + ThinkPad Advanced Mini Dock
122 specifications	A Lenovo ThinkPad SL500 (2746P3G), BE View product	B Lenovo ThinkPad T400 + ThinkPad Advanced Mini Dock View product
Display1 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Processor12 differ
Processor modelDiffers	T5870	P8400
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	2 GHz	2.26 GHz
Processor cacheDiffers	2 MB	3 MB
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	LGA 3647 (Socket P)	Socket 478
Processor lithographyDiffers	65 nm	45 nm
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Core 2 Duo P8000 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	8.5
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory4 differ
Internal memoryDiffers	3 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	667 MHz	1066 MHz
Memory layout (slots x size)Differs	1 x 1 + 1 x 2 GB	1 x 2 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storageidentical
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Audio2 differ
Audio systemDiffers	Conexant Azalia 24-bit	High Definition Audio
Speaker powerDiffers	3 W	2 W
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet
Wireless technologyDiffers	ntel WiFi 5100AGN	IEEE 802.11a/g/n
BluetoothDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	4	3
HDMI ports quantityDiffers	1	0
Docking connectorDiffers	No	Yes
SmartCard slotDiffers	No	Yes
Keyboardidentical
Keyboard layoutKnown for one	AZERTY	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows Vista Home Basic	Windows Vista Business
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Embedded options availableDiffers	No	Yes
Idle StatesKnown for one	Unknown — not stated by the source	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)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	35569
Processor codeDiffers	SLAZR	SL3BU
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 h	6.6 h
Securityidentical
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.9 kg	2.38 kg
WidthDiffers	358 mm	335.5 mm
DepthDiffers	260 mm	238 mm
HeightDiffers	39 mm	32 mm
Other featuresidentical
Modem typeKnown for one	Unknown — not stated by the source	V.90
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Packaging contentidentical
AC adapter includedKnown 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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