Product comparison · 2 laptops

Acer Aspire 7738G-904G100MN vs Lenovo ThinkPad T400 (647425G)

104specifications compared
38differ
66identical
32known for one product only

Key differences

Display diagonal
- Aspire 7738G-904G100MN:43.9 cm (17.3")
- ThinkPad T400 (647425G):35.8 cm (14.1")
Display resolution
- Aspire 7738G-904G100MN:1600 x 900 pixels
- ThinkPad T400 (647425G):1440 x 900 pixels
Native aspect ratio
- Aspire 7738G-904G100MN:16:9
- ThinkPad T400 (647425G):16:10
Processor family
- Aspire 7738G-904G100MN:Intel® Core™2 Quad
- ThinkPad T400 (647425G):Intel® Core™2 Duo
Processor model
- Aspire 7738G-904G100MN:Q9000
- ThinkPad T400 (647425G):P8600
Processor cores
- Aspire 7738G-904G100MN:4
- ThinkPad T400 (647425G):2
Processor threads
- Aspire 7738G-904G100MN:4
- ThinkPad T400 (647425G):2
Processor frequency
- Aspire 7738G-904G100MN:2 GHz
- ThinkPad T400 (647425G):2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of Aspire 7738G-904G100MN, ThinkPad T400 (647425G)
136 specifications	A Acer Aspire 7738G-904G100MN View product	B Lenovo ThinkPad T400 (647425G)View product
Designidentical
Product typeKnown for one	Laptop	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	43.9 cm (17.3")	35.8 cm (14.1")
Display resolutionDiffers	1600 x 900 pixels	1440 x 900 pixels
HD typeKnown for one	HD+	Unknown — not stated by the source
Native aspect ratioDiffers	16:9	16:10
Display brightnessKnown for one	220 cd/m²	Unknown — not stated by the source
Display response rise/fallKnown for one	8 ms	Unknown — not stated by the source
LED backlightKnown for one	Unknown — not stated by the source	Yes
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Quad	Intel® Core™2 Duo
Processor modelDiffers	Q9000	P8600
Processor coresDiffers	4	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2 GHz	2.4 GHz
Processor cacheDiffers	6 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	Socket L1	Socket 479
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Quad Q9000 Series for Mobile	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	E0	R1
Thermal Design Power (TDP)Differs	45 W	25 W
TjunctionDiffers	100 °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	7.5	9
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memory	4 GB	4 GB
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
Storage3 differ
Total storage capacityDiffers	1 TB	160 GB
Number of HDDs installedDiffers	2	1
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	MMC, MS PRO, SD, xD	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 240M	Intel® GMA 4500MHD
Audio1 differ
Audio systemDiffers	High Definition Audio	HDA 24-bit
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Network2 differ
Networking featuresDiffers	Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	IEEE 802.11a/b/g/n	Intel WiFi 5100AGN
Bluetooth	No	No
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	4	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	1
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
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
Performanceidentical
Motherboard chipsetKnown for one	Intel® PM45 Express	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows Vista Business
Bundled softwareKnown for one	Acer Arcade Deluxe featuring Cinema, Album, Music, Acer HomeMedia, Acer Bio-Protection, Acer Crystal Eye, Acer GridVista, Acer Backup Manager, Acer Launch Manager, Acer eRecovery Management, Acer PowerSmart Manager, Acer GameZone, Adobe Reader, Google Toolbar, Google Desktop, Adobe Flash Player, NTI	Unknown — not stated by the source
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office 2007
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	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 StateDiffers	No	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	40480	35568
Processor codeDiffers	SLGEJ	SLGDZ
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
Fingerprint reader	Yes	Yes
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
WeightDiffers	3.36 kg	2.2 kg
WidthDiffers	410 mm	335.5 mm
DepthDiffers	286 mm	239 mm
Height (front)Known for one	3.5 cm	Unknown — not stated by the source
Height (rear)Known for one	4.15 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	31.9 mm
Other features1 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 typeKnown for one	ITU V.92	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery life (max)Known for one	Unknown — not stated by the source	6.6 h
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes

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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