Product comparison · 2 laptops

Lenovo ThinkPad T400 + 39T4590 vs Lenovo ThinkPad T400 + ThinkPad Advanced Mini Dock

103specifications compared
13differ
90identical
23known for one product only

Key differences

Processor model
- ThinkPad T400 + 39T4590:P8700
- ThinkPad T400 + ThinkPad Advanced Mini Dock:P8400
Processor frequency
- ThinkPad T400 + 39T4590:2.53 GHz
- ThinkPad T400 + ThinkPad Advanced Mini Dock:2.26 GHz
Processor socket
- ThinkPad T400 + 39T4590:Socket 479
- ThinkPad T400 + ThinkPad Advanced Mini Dock:Socket 478
Stepping
- ThinkPad T400 + 39T4590:R0
- ThinkPad T400 + ThinkPad Advanced Mini Dock:M0
CPU multiplier (bus/core ratio)
- ThinkPad T400 + 39T4590:9.5
- ThinkPad T400 + ThinkPad Advanced Mini Dock:8.5
Total storage capacity
- ThinkPad T400 + 39T4590:320 GB
- ThinkPad T400 + ThinkPad Advanced Mini Dock:250 GB
Optical drive type
- ThinkPad T400 + 39T4590:DVD-ROM
- ThinkPad T400 + ThinkPad Advanced Mini Dock:DVD±RW
Networking features
- ThinkPad T400 + 39T4590:Gigabit Ethernet, WLAN
- ThinkPad T400 + ThinkPad Advanced Mini Dock:Gigabit Ethernet

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T400 + 39T4590, ThinkPad T400 + ThinkPad Advanced Mini Dock
126 specifications	A Lenovo ThinkPad T400 + 39T4590 View product	B Lenovo ThinkPad T400 + ThinkPad Advanced Mini Dock View product
Displayidentical
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
Display resolutionKnown for one	Unknown — not stated by the source	1280 x 800 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:10
Dual-screenKnown for one	No	Unknown — not stated by the source
Processor5 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8700	P8400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.53 GHz	2.26 GHz
Processor cache	3 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	Socket 479	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	R0	M0
Thermal Design Power (TDP)	25 W	25 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	9.5	8.5
ECC supported by processor	No	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
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage2 differ
Total storage capacityDiffers	320 GB	250 GB
HDD interface	SATA	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeDiffers	DVD-ROM	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
Audioidentical
Audio system	High Definition Audio	High Definition Audio
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
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Wireless technologyDiffers	802.11 a/g/n	IEEE 802.11a/g/n
Bluetooth	Yes	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfacesidentical
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 quantity	0	0
CardBus PCMCIA slot type	No	No
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 Vista Business	Windows Vista Business
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	No	Yes
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 Technology	Yes	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	37006	35569
Processor codeDiffers	SLGFE	SL3BU
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	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
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	2.14 kg	2.38 kg
WidthKnown for one	Unknown — not stated by the source	335.5 mm
DepthKnown for one	Unknown — not stated by the source	238 mm
HeightKnown for one	Unknown — not stated by the source	32 mm
Dimensions (WxDxH)Known for one	335.5 x 238 x 32 mm	Unknown — not stated by the source
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 tagging	Home office, Small Business	Home office, Small Business
Supplied AC adapter type	AC	AC
Power requirementsKnown for one	100V – 240V AC, 50Hz/60Hz	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
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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