Product comparison · 2 laptops

Lenovo ThinkPad SL500 (2746P9G), GE vs Lenovo ThinkPad T400s (2808DDG), UK

104specifications compared
28differ
76identical
35known for one product only

Key differences

Display diagonal
- ThinkPad SL500 (2746P9G), GE:39.1 cm (15.4")
- ThinkPad T400s (2808DDG), UK:35.8 cm (14.1")
Display resolution
- ThinkPad SL500 (2746P9G), GE:1280 x 800 pixels
- ThinkPad T400s (2808DDG), UK:1440 x 900 pixels
Processor model
- ThinkPad SL500 (2746P9G), GE:T6570
- ThinkPad T400s (2808DDG), UK:SP9400
Processor frequency
- ThinkPad SL500 (2746P9G), GE:2.1 GHz
- ThinkPad T400s (2808DDG), UK:2.4 GHz
Processor cache
- ThinkPad SL500 (2746P9G), GE:2 MB
- ThinkPad T400s (2808DDG), UK:6 MB
Processor socket
- ThinkPad SL500 (2746P9G), GE:Socket 478
- ThinkPad T400s (2808DDG), UK:BGA 956
Processor operating modes
- ThinkPad SL500 (2746P9G), GE:32-bit, 64-bit
- ThinkPad T400s (2808DDG), UK:64-bit
Thermal Design Power (TDP)
- ThinkPad SL500 (2746P9G), GE:35 W
- ThinkPad T400s (2808DDG), UK:25 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad SL500 (2746P9G), GE, ThinkPad T400s (2808DDG), UK
139 specifications	A Lenovo ThinkPad SL500 (2746P9G), GE View product	B Lenovo ThinkPad T400s (2808DDG), UK View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Native aspect ratio	16:10	16:10
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T6570	SP9400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.1 GHz	2.4 GHz
Processor cacheDiffers	2 MB	6 MB
Processor cache type	L2	L2
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Processor socketDiffers	Socket 478	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo SP9000 Series
Processor codename	Penryn	Penryn
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB Parity	No	No
Thermal Design Power (TDP)Differs	35 W	25 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	9
ECC supported by processor	No	No
Processor technologyKnown for one	Unknown — not stated by the source	Intel Centrino Duo
Memory2 differ
Internal memory	2 GB	2 GB
Memory clock speedDiffers	667 MHz	1066 MHz
Memory layout (slots x size)	1 x 2 GB	1 x 2 GB
Maximum internal memoryDiffers	4 GB	8 GB
Internal memory typeKnown for one	DDR2-SDRAM	Unknown — not stated by the source
Storage1 differ
Total storage capacity	250 GB	250 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	250 GB
HDD interface	SATA	SATA
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
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Maximum resolutionKnown for one	Unknown — not stated by the source	2048 x 1536 pixels
Audio1 differ
Audio systemDiffers	Conexant Azalia 24-bit	HDA 24-bit
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Audio includedKnown for one	Unknown — not stated by the source	Mute Button, Speakers (integrated)
Network2 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	IEEE 802.11a/b/g/n	Intel WiFi 5300AGN
Bluetooth	Yes	Yes
Bluetooth version	2.0+EDR	2.0+EDR
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	4	3
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
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	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) portsDiffers	1	0
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	Unknown — not stated by the source	QWERTY
Keyboard typeKnown for one	Unknown — not stated by the source	Next Generation ThinkPad Keyboard
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows 7 Professional
Drivers included	Yes	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	Ericsson WWAN Connection Manager, Ericsson WWAN Connection Manager, Vital Source School Library, ThinkVantage System Update, Thinkvantage Product Recovery, Thinkvantage Power Manager, Sun JRE, SKYPE, Norton Internet Security 2009 With 30 Days of Virus d PC Doctor for WINPE Ericsson WWAN driver, Eric
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Trial softwareKnown for one	Microsoft Office 2007	Unknown — not stated by the source
Processor special features2 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	No	No
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	42841	36693
Processor package sizeKnown for one	Unknown — not stated by the source	22 x 22 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery life (max)Differs	4 h	5.5 h
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Weight & dimensions4 differ
WeightDiffers	2.9 kg	1.79 kg
WidthDiffers	358 mm	335 mm
DepthDiffers	260 mm	238 mm
HeightDiffers	39 mm	31.9 mm
Hard driveidentical
Storage drive typeKnown for one	Unknown — not stated by the source	250GB Serial ATA/ 5400
Packaging contentidentical
AC adapter included	Yes	Yes
Other features1 differ
Security featuresKnown for one	Unknown — not stated by the source	Client Security Solution, Hard disk drive password, LED Power On Anticipation Integrated Fingerprint Reader 8, Power-on password, Security lock slot, Supervisor password Fingerprint Reader
Infrared data port	No	No
Battery typeKnown for one	Unknown — not stated by the source	6 Cell Lithium-Ion
Internal modemDiffers	Yes	No
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Manageability featuresKnown for one	Unknown — not stated by the source	Client Security Solution, ThinkVantage Access Connections, ThinkVantage Active Protection System, ThinkVantage Rescue and Recovery
Drive baysKnown for one	Unknown — not stated by the source	Ultrabay Slim
Expansion slotsKnown for one	Unknown — not stated by the source	PCI/PCI Express
Supplied AC adapter type	AC	AC

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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