Product comparison · 2 laptops

Acer Aspire 7720G-604G50Mi vs Lenovo ThinkPad T400 + ThinkPad Essential Port Replicator

105specifications compared
36differ
69identical
27known for one product only

Key differences

Display diagonal
- Aspire 7720G-604G50Mi:43.2 cm (17")
- ThinkPad T400 + ThinkPad Essential Port Replicator:35.8 cm (14.1")
Processor model
- Aspire 7720G-604G50Mi:T7500
- ThinkPad T400 + ThinkPad Essential Port Replicator:P8600
Processor frequency
- Aspire 7720G-604G50Mi:2.2 GHz
- ThinkPad T400 + ThinkPad Essential Port Replicator:2.4 GHz
Processor cache
- Aspire 7720G-604G50Mi:4 MB
- ThinkPad T400 + ThinkPad Essential Port Replicator:3 MB
Processor front side bus
- Aspire 7720G-604G50Mi:800 MHz
- ThinkPad T400 + ThinkPad Essential Port Replicator:1066 MHz
Processor socket
- Aspire 7720G-604G50Mi:Socket 478
- ThinkPad T400 + ThinkPad Essential Port Replicator:Socket 479
Processor lithography
- Aspire 7720G-604G50Mi:65 nm
- ThinkPad T400 + ThinkPad Essential Port Replicator:45 nm
Processor codename
- Aspire 7720G-604G50Mi:Merom
- ThinkPad T400 + ThinkPad Essential Port Replicator:Penryn

Side by side

Differences highlightedShow differences only

Comparison of Aspire 7720G-604G50Mi, ThinkPad T400 + ThinkPad Essential Port Replicator
132 specifications	A Acer Aspire 7720G-604G50Mi View product	B Lenovo ThinkPad T400 + ThinkPad Essential Port Replicator View product
Display1 differ
Display diagonalDiffers	43.2 cm (17")	35.8 cm (14.1")
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Display resolutionKnown for one	Unknown — not stated by the source	1440 x 900 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:10
Processor14 differ
Processor modelDiffers	T7500	P8600
Processor frequencyDiffers	2.2 GHz	2.4 GHz
Processor cacheDiffers	4 MB	3 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 T7000 Series	Intel Core 2 Duo P8000 Series
Processor codenameDiffers	Merom	Penryn
SteppingDiffers	E1	R1
Thermal Design Power (TDP)Differs	35 W	25 W
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	11	9
Memory2 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Storageidentical
Number of HDDs installedKnown for one	2	Unknown — not stated by the source
Total storage capacityKnown for one	Unknown — not stated by the source	250 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, MS Pro, SD, SDHC, xD
Graphics2 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® 8600M GT	AMD Mobility Radeon HD 3470
Discrete graphics card memoryKnown for one	0.512 GB	Unknown — not stated by the source
Maximum graphics card memoryDiffers	1.28 GB	0.256 GB
Audioidentical
Built-in subwooferKnown for one	Yes	Unknown — not stated by the source
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Front cameraKnown for one	Unknown — not stated by the source	No
Network1 differ
Wireless technologyDiffers	IEEE 802.11a/b/g	IEEE 802.11a/g/n
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	4	3
DVI portDiffers	Yes	No
S/PDIF out portDiffers	Yes	No
Docking connectorDiffers	No	Yes
TV-in portDiffers	Yes	No
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® PM965 Express	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Home Premium	Windows Vista Business
Bundled softwareKnown for one	Acer Empowering Technologie (Acer eNet, ePower, eAudio, ePresentation, eDataSecurity, eLock, eRecovery, eSettings Management), Acer Arcade + Cinema, Video, Album, Music, TV, Acer Arcade Deluxe + DV Wizard, VideoMagician, DVDivine,Acer GridVista, Acer Launch Manager, Adobe Reader, CyberLink Power Pro	Unknown — not stated by the source
Processor special features3 differ
Embedded options availableDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Processor ARK IDDiffers	29761	35568
Processor codeKnown for one	Unknown — not stated by the source	SLGDZ
Batteryidentical
Battery life (max)Known for one	Unknown — not stated by the source	6.3 h
Securityidentical
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightDiffers	3.62 kg	2.14 kg
WidthDiffers	404 mm	335.5 mm
DepthDiffers	298 mm	238 mm
Height (front)Known for one	3.8 cm	Unknown — not stated by the source
Height (rear)Known for one	4.3 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	32 mm
Other features2 differ
Infrared data portDiffers	Yes	No
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 typeDiffers	ITU V.92	V.90
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business

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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