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")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Processor12 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T5870	P8400
Processor cores	2	2
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 cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	LGA 3647 (Socket P)	Socket 478
Processor lithographyDiffers	65 nm	45 nm
Processor operating modes	64-bit	64-bit
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
FSB Parity	No	No
Stepping	M0	M0
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
Maximum internal memory	4 GB	4 GB
Storageidentical
Total storage capacity	250 GB	250 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, MS Pro, SD, SDHC, xD	MMC, MS Pro, SD, SDHC, xD
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Audio2 differ
Audio systemDiffers	Conexant Azalia 24-bit	High Definition Audio
Number of built-in speakers	2	2
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
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
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
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based Switching	No	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® Hyper Threading Technology (Intel® HT Technology)	No	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
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	37034	35569
Processor codeDiffers	SLAZR	SL3BU
Processor package size	35 x 35 mm	35 x 35 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
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	4 h	6.6 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user password	Yes	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
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
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
Supplied AC adapter type	AC	AC
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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