Product comparison · 2 laptops

Lenovo ThinkPad SL510 vs Lenovo ThinkPad T400 T9900

72specifications compared
34differ
38identical
53known for one product only

Key differences

Display diagonal
- ThinkPad SL510:39.1 cm (15.4")
- ThinkPad T400 T9900:35.8 cm (14.1")
Display resolution
- ThinkPad SL510:1366 x 768 pixels
- ThinkPad T400 T9900:1440 x 900 pixels
Native aspect ratio
- ThinkPad SL510:16:9
- ThinkPad T400 T9900:16:10
Processor model
- ThinkPad SL510:T5870
- ThinkPad T400 T9900:T9900
Processor frequency
- ThinkPad SL510:2 GHz
- ThinkPad T400 T9900:3.06 GHz
Processor cache
- ThinkPad SL510:2 MB
- ThinkPad T400 T9900:6 MB
Processor front side bus
- ThinkPad SL510:800 MHz
- ThinkPad T400 T9900:1066 MHz
Processor socket
- ThinkPad SL510:LGA 3647 (Socket P)
- ThinkPad T400 T9900:Socket 479

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad SL510, ThinkPad T400 T9900
125 specifications	A Lenovo ThinkPad SL510 View product	B Lenovo ThinkPad T400 T9900 View product
Display3 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1366 x 768 pixels	1440 x 900 pixels
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratioDiffers	16:9	16:10
Dual-screenKnown for one	No	Unknown — not stated by the source
Processor12 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T5870	T9900
Processor cores	2	2
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	2 GHz	3.06 GHz
Processor cacheDiffers	2 MB	6 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	LGA 3647 (Socket P)	Socket 479
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 T9000 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
SteppingDiffers	M0	E0
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	100 °C	105 °C
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.050 - 1.2125 V
Number of Processing Die TransistorsDiffers	291 M	410 M
Processing Die sizeDiffers	143 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	10	11.5
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Maximum internal memory	8 GB	8 GB
Storage2 differ
Total storage capacityDiffers	250 GB	160 GB
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
Card reader integrated	Yes	Yes
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
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	0.25 GB
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Wireless technologyDiffers	802.11 a/g/n	802.11b/g
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Networking featuresKnown for one	Gigabit Ethernet, WLAN	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces8 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	1
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot typeDiffers	No	Type II
SmartCard slotDiffers	Yes	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
Keyboard layoutKnown for one	Unknown — not stated by the source	AZERTY
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows Vista Business
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	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	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® 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	39312
Processor codeDiffers	SLAZR	SLGKH
Processor package sizeDiffers	35 x 35 mm	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
Batteryidentical
Battery capacityKnown for one	Unknown — not stated by the source	7800 mAh
Battery life (max)Known for one	Unknown — not stated by the source	9 h
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Weight & dimensions2 differ
WeightDiffers	2.56 kg	2.13 kg
Dimensions (WxDxH)Differs	387 x 247 x 36 mm	335.3 x 238 x 27.6 mm
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	No
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Infrared data port	No	No
Power requirementsDiffers	100V – 240V AC, 50Hz/60Hz	100 - 240 V
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Internal modem	Yes	Yes
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Supplied AC adapter type	AC	AC
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
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
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	30 - 80%	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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