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 manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T7500	P8600
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.2 GHz	2.4 GHz
Processor cacheDiffers	4 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	Socket 478	Socket 479
Processor lithographyDiffers	65 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T7000 Series	Intel Core 2 Duo P8000 Series
Processor codenameDiffers	Merom	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
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
ECC supported by processor	No	No
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
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Storageidentical
Number of HDDs installedKnown for one	2	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Card reader integrated	Yes	Yes
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	Yes	Yes
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
Audio system	High Definition Audio	High Definition Audio
Number of built-in speakers	2	2
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
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11a/b/g	IEEE 802.11a/g/n
Bluetooth	No	No
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	4	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DVI portDiffers	Yes	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	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 portDiffers	Yes	No
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
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
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	Yes	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	No	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	29761	35568
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Processor codeKnown for one	Unknown — not stated by the source	SLGDZ
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	6.3 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
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
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeDiffers	ITU V.92	V.90
Supplied AC adapter type	AC	AC
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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