Product comparison · 2 laptops

Lenovo ThinkPad T400 (647425G), US vs Lenovo ThinkPad T510

110specifications compared
54differ
56identical
35known for one product only

Key differences

Display diagonal
- ThinkPad T400 (647425G), US:35.8 cm (14.1")
- ThinkPad T510:38.1 cm (15")
Display resolution
- ThinkPad T400 (647425G), US:1440 x 900 pixels
- ThinkPad T510:1600 x 900 pixels
Native aspect ratio
- ThinkPad T400 (647425G), US:16:10
- ThinkPad T510:16:9
Processor family
- ThinkPad T400 (647425G), US:Intel® Core™2 Duo
- ThinkPad T510:Intel® Core™ i7
Processor model
- ThinkPad T400 (647425G), US:P8600
- ThinkPad T510:i7-620M
Processor threads
- ThinkPad T400 (647425G), US:2
- ThinkPad T510:4
Processor frequency
- ThinkPad T400 (647425G), US:2.4 GHz
- ThinkPad T510:2.66 GHz
Processor cache
- ThinkPad T400 (647425G), US:3 MB
- ThinkPad T510:4 MB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T400 (647425G), US, ThinkPad T510
145 specifications	A Lenovo ThinkPad T400 (647425G), US View product	B Lenovo ThinkPad T510 View product
Display3 differ
Display diagonalDiffers	35.8 cm (14.1")	38.1 cm (15")
Display resolutionDiffers	1440 x 900 pixels	1600 x 900 pixels
HD typeKnown for one	Unknown — not stated by the source	HD+
Native aspect ratioDiffers	16:10	16:9
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
LED backlightKnown for one	Yes	Unknown — not stated by the source
Display surfaceKnown for one	Gloss	Unknown — not stated by the source
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i7
Processor modelDiffers	P8600	i7-620M
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.33 GHz
Processor frequencyDiffers	2.4 GHz	2.66 GHz
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	Socket 479	BGA 1288
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core i7-600 Mobile Series
Processor codenameDiffers	Penryn	Arrandale
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
SteppingDiffers	R1	C2
Thermal Design Power (TDP)Differs	25 W	35 W
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Number of Processing Die TransistorsDiffers	410 M	382 M
Processing Die sizeDiffers	107 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	9	20
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	2 x 2 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryDiffers	4 GB	8 GB
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	160 GB	320 GB
HDD interface	SATA	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Card reader integratedDiffers	No	Yes
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Graphics1 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500MHD	NVIDIA Quadro HD 6310
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	0.25 GB
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	500 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	766 MHz
Audio2 differ
Audio systemDiffers	HDA 24-bit	High Definition Audio
Number of built-in speakersDiffers	2	1
Speaker power	2 W	2 W
Network2 differ
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel WiFi 5100AGN	802.11 b/g/n
BluetoothDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantity	3	3
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	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 connector	Yes	Yes
ExpressCard slotDiffers	No	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 deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows 7 Professional
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 features17 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
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 TechnologyDiffers	No	1.0
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Processor ARK IDDiffers	35568	43560
Processor codeDiffers	SLGDZ	SLBPE
Processor package sizeDiffers	35 x 35 mm	rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.1/4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsDiffers	6	9
Battery life (max)Known for one	6.6 h	Unknown — not stated by the source
Poweridentical
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	2.2 kg	2.67 kg
WidthDiffers	335.5 mm	372.8 mm
DepthDiffers	239 mm	245.1 mm
HeightDiffers	31.9 mm	38.5 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.92
Intel segment tagging	Home office, Small Business	Home office, Small Business
Supplied AC adapter type	AC	AC
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
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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