Product comparison · 2 laptops

Acer Aspire 7720G-604G50Mi vs Lenovo ThinkPad R400 (744515G), CH

104specifications compared
41differ
63identical
32known for one product only

Key differences

Display diagonal
- Aspire 7720G-604G50Mi:43.2 cm (17")
- ThinkPad R400 (744515G), CH:35.8 cm (14.1")
Processor model
- Aspire 7720G-604G50Mi:T7500
- ThinkPad R400 (744515G), CH:P8400
Processor frequency
- Aspire 7720G-604G50Mi:2.2 GHz
- ThinkPad R400 (744515G), CH:2.26 GHz
Processor cache
- Aspire 7720G-604G50Mi:4 MB
- ThinkPad R400 (744515G), CH:3 MB
Processor front side bus
- Aspire 7720G-604G50Mi:800 MHz
- ThinkPad R400 (744515G), CH:1066 MHz
Processor lithography
- Aspire 7720G-604G50Mi:65 nm
- ThinkPad R400 (744515G), CH:45 nm
Processor codename
- Aspire 7720G-604G50Mi:Merom
- ThinkPad R400 (744515G), CH:Penryn
Stepping
- Aspire 7720G-604G50Mi:E1
- ThinkPad R400 (744515G), CH:M0

Side by side

Differences highlightedShow differences only

Comparison of Aspire 7720G-604G50Mi, ThinkPad R400 (744515G), CH
136 specifications	A Acer Aspire 7720G-604G50Mi View product	B Lenovo ThinkPad R400 (744515G), CH View product
Display1 differ
Display diagonalDiffers	43.2 cm (17")	35.8 cm (14.1")
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
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Processor13 differ
Processor modelDiffers	T7500	P8400
Processor frequencyDiffers	2.2 GHz	2.26 GHz
Processor cacheDiffers	4 MB	3 MB
Processor front side busDiffers	800 MHz	1066 MHz
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	M0
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	8.5
Memory3 differ
Internal memoryDiffers	4 GB	1 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory layout (slots x size)Differs	2 x 2 GB	1 x 1 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityKnown for one	Unknown — not stated by the source	160 GB
Card reader integratedDiffers	Yes	No
Number of HDDs installedKnown for one	2	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® 8600M GT	Intel® GMA 4500MHD
Discrete graphics card memoryKnown for one	0.512 GB	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	1.28 GB	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	Intel HDA 24-bit
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Built-in subwooferKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	Gigabit Ethernet	WLAN, Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11a/b/g	Intel 5100AGN
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
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
DVI portDiffers	Yes	No
S/PDIF out portDiffers	Yes	No
Docking connectorDiffers	No	Yes
SmartCard slotDiffers	Yes	No
TV-in portDiffers	Yes	No
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows Vista Home Premium	Windows Vista Business
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office 2007
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 features2 differ
Intel Trusted Execution TechnologyDiffers	No	Yes
Processor ARK IDDiffers	29761	35569
Processor codeKnown for one	Unknown — not stated by the source	SL3BU
Battery1 differ
Number of battery cellsDiffers	6	4
Battery life (max)Known for one	Unknown — not stated by the source	3.7 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	3.62 kg	2.3 kg
WidthDiffers	404 mm	355.5 mm
DepthDiffers	298 mm	238 mm
HeightKnown for one	Unknown — not stated by the source	34.9 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
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features2 differ
Infrared data portDiffers	Yes	No
Modem typeDiffers	ITU V.92	1
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
Performanceidentical
Motherboard chipsetKnown for one	Intel® PM965 Express	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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