Product comparison · 2 laptops

Lenovo ThinkPad T400 + ADV Dock vs Lenovo ThinkPad T61 + USB Port Replicator

114specifications compared
23differ
91identical
3known for one product only

Key differences

Display diagonal
- ThinkPad T400 + ADV Dock:35.8 cm (14.1")
- ThinkPad T61 + USB Port Replicator:39.1 cm (15.4")
Display resolution
- ThinkPad T400 + ADV Dock:1440 x 900 pixels
- ThinkPad T61 + USB Port Replicator:1680 x 1050 pixels
Processor model
- ThinkPad T400 + ADV Dock:P8600
- ThinkPad T61 + USB Port Replicator:T8300
Processor front side bus
- ThinkPad T400 + ADV Dock:1066 MHz
- ThinkPad T61 + USB Port Replicator:800 MHz
Stepping
- ThinkPad T400 + ADV Dock:R1
- ThinkPad T61 + USB Port Replicator:M0
Thermal Design Power (TDP)
- ThinkPad T400 + ADV Dock:25 W
- ThinkPad T61 + USB Port Replicator:35 W
CPU multiplier (bus/core ratio)
- ThinkPad T400 + ADV Dock:9
- ThinkPad T61 + USB Port Replicator:12
Internal memory type
- ThinkPad T400 + ADV Dock:DDR3-SDRAM
- ThinkPad T61 + USB Port Replicator:DDR2-SDRAM

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T400 + ADV Dock, ThinkPad T61 + USB Port Replicator
117 specifications	A Lenovo ThinkPad T400 + ADV Dock View product	B Lenovo ThinkPad T61 + USB Port Replicator View product
Display2 differ
Display diagonalDiffers	35.8 cm (14.1")	39.1 cm (15.4")
Display resolutionDiffers	1440 x 900 pixels	1680 x 1050 pixels
Native aspect ratio	16:10	16:10
Processor6 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8600	T8300
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.4 GHz	2.4 GHz
Processor cache	3 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 MHz	800 MHz
Processor socket	Socket 479	Socket 479
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo T8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	R1	M0
Thermal Design Power (TDP)Differs	25 W	35 W
Tjunction	105 °C	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	9	12
ECC supported by processor	No	No
Memory1 differ
Internal memory	2 GB	2 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Storage1 differ
Total storage capacityDiffers	250 GB	160 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MMC, MS Pro, SD, SDHC, xD	Unknown — not stated by the source
Graphics2 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Mobility Radeon HD 3470	NVIDIA Quadro NVS 140M
Maximum graphics card memoryDiffers	0.256 GB	0.128 GB
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Cameraidentical
Front camera	No	No
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wireless technology	IEEE 802.11a/g/n	IEEE 802.11a/g/n
Bluetooth	No	No
Ports & interfaces2 differ
USB 2.0 ports quantity	3	3
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 slot	Yes	Yes
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
SmartCard slot	Yes	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
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Processor special features3 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 States	Yes	Yes
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	Yes	Yes
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	Yes	No
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	35568	33099
Processor codeDiffers	SLGDZ	SLAPR
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	6.3 h	3.6 h
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	2.14 kg	2.56 kg
WidthDiffers	335 mm	357.5 mm
DepthDiffers	238 mm	255 mm
HeightDiffers	32 mm	29.7 mm
Other features1 differ
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Supplied AC adapter typeDiffers	AC	AC, UP

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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