Product comparison · 2 laptops

Acer TravelMate 7720-2A2G16Mi vs Lenovo ThinkPad T400 (6474R2G), DE

104specifications compared
40differ
64identical
25known for one product only

Key differences

Display diagonal
- TravelMate 7720-2A2G16Mi:43.2 cm (17")
- ThinkPad T400 (6474R2G), DE:35.8 cm (14.1")
Display resolution
- TravelMate 7720-2A2G16Mi:1440 x 900 pixels
- ThinkPad T400 (6474R2G), DE:1280 x 800 pixels
Processor family
- TravelMate 7720-2A2G16Mi:Intel Pentium Mobile
- ThinkPad T400 (6474R2G), DE:Intel® Core™2 Duo
Processor model
- TravelMate 7720-2A2G16Mi:T5270
- ThinkPad T400 (6474R2G), DE:T9400
Processor frequency
- TravelMate 7720-2A2G16Mi:1.4 GHz
- ThinkPad T400 (6474R2G), DE:2.53 GHz
Processor cache
- TravelMate 7720-2A2G16Mi:2 MB
- ThinkPad T400 (6474R2G), DE:6 MB
Processor front side bus
- TravelMate 7720-2A2G16Mi:800 MHz
- ThinkPad T400 (6474R2G), DE:1066 MHz
Processor socket
- TravelMate 7720-2A2G16Mi:Socket 478
- ThinkPad T400 (6474R2G), DE:Socket 479

Side by side

Differences highlightedShow differences only

Comparison of TravelMate 7720-2A2G16Mi, ThinkPad T400 (6474R2G), DE
129 specifications	A Acer TravelMate 7720-2A2G16Mi View product	B Lenovo ThinkPad T400 (6474R2G), DE View product
Display2 differ
Display diagonalDiffers	43.2 cm (17")	35.8 cm (14.1")
Display resolutionDiffers	1440 x 900 pixels	1280 x 800 pixels
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor14 differ
Processor familyDiffers	Intel Pentium Mobile	Intel® Core™2 Duo
Processor modelDiffers	T5270	T9400
Processor frequencyDiffers	1.4 GHz	2.53 GHz
Processor cacheDiffers	2 MB	6 MB
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor lithographyDiffers	65 nm	45 nm
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Core 2 Duo T9000 Series
Processor codenameDiffers	Merom	Penryn
SteppingDiffers	M0	E0
TjunctionDiffers	100 °C	105 °C
Number of Processing Die TransistorsDiffers	291 M	410 M
Processing Die sizeDiffers	143 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	7	9.5
Memory1 differ
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Storage1 differ
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Card reader integratedDiffers	Yes	No
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X3100	Intel® GMA 4500MHD
Audio1 differ
Audio systemDiffers	High Definition Audio	HDA 24-bit
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Network2 differ
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	IEEE 802.11b/g	Intel WiFi 5100AGN
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers	4	3
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
SmartCard slotDiffers	Yes	No
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Softwareidentical
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Acer Empowering Technology (Acer eNet, ePower, ePresentation, eDataSecurity, eLock, eRecovery, eSettings, ePerformance Management), Acer GridVista, Acer Launch Manager, Adobe Reader, CyberLink PowerDVD, NTI CD Maker, NTI Shadow	Unknown — not stated by the source
Processor special features5 differ
Embedded options availableDiffers	No	Yes
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Processor ARK IDDiffers	33096	35562
Processor codeDiffers	SLALK	SLGEK
Battery1 differ
Number of battery cellsDiffers	6	9
Battery life (max)Known for one	Unknown — not stated by the source	9.9 h
Security1 differ
Cable lock slot typeDiffers	Kensington	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	3.66 kg	2.2 kg
WidthDiffers	400 mm	335.5 mm
DepthDiffers	290 mm	239 mm
HeightKnown for one	Unknown — not stated by the source	31.9 mm
Height (front)Known for one	3.03 cm	Unknown — not stated by the source
Height (rear)Known for one	4.33 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Infrared data portDiffers	Yes	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Wake-on-Ring readyKnown for one	Yes	Unknown — not stated by the source
Modem typeKnown for one	ITU V.92	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® PM965 Express	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	Touchpad	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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