Product comparison · 2 laptops

Acer TravelMate TM8531-742G32Mn Intel® Celeron® M 743 vs Lenovo ThinkPad T400s (2808DDG)

103specifications compared
31differ
72identical
35known for one product only

Key differences

Display diagonal
- TravelMate TM8531-742G32Mn Intel® Celeron® M 743:39.6 cm (15.6")
- ThinkPad T400s (2808DDG):35.8 cm (14.1")
Display resolution
- TravelMate TM8531-742G32Mn Intel® Celeron® M 743:1366 x 768 pixels
- ThinkPad T400s (2808DDG):1440 x 900 pixels
Native aspect ratio
- TravelMate TM8531-742G32Mn Intel® Celeron® M 743:16:9
- ThinkPad T400s (2808DDG):16:10
Processor family
- TravelMate TM8531-742G32Mn Intel® Celeron® M 743:Intel® Celeron® M
- ThinkPad T400s (2808DDG):Intel® Core™2 Duo
Processor model
- TravelMate TM8531-742G32Mn Intel® Celeron® M 743:743
- ThinkPad T400s (2808DDG):SP9400
Processor cores
- TravelMate TM8531-742G32Mn Intel® Celeron® M 743:1
- ThinkPad T400s (2808DDG):2
Processor threads
- TravelMate TM8531-742G32Mn Intel® Celeron® M 743:1
- ThinkPad T400s (2808DDG):2
Processor frequency
- TravelMate TM8531-742G32Mn Intel® Celeron® M 743:1.3 GHz
- ThinkPad T400s (2808DDG):2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of TM8531-742G32Mn, ThinkPad T400s (2808DDG)
138 specifications	A Acer TravelMate TM8531-742G32Mn Intel® Celeron® M 743 Model TM8531-742G32Mn View product	B Lenovo ThinkPad T400s (2808DDG)View product
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.8 cm (14.1")
Display resolutionDiffers	1366 x 768 pixels	1440 x 900 pixels
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratioDiffers	16:9	16:10
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron® M	Intel® Core™2 Duo
Processor modelDiffers	743	SP9400
Processor coresDiffers	1	2
Processor threadsDiffers	1	2
Processor frequencyDiffers	1.3 GHz	2.4 GHz
Processor cacheDiffers	1 MB	6 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socket	BGA 956	BGA 956
Processor lithography	45 nm	45 nm
Processor seriesDiffers	Intel Celeron M ULV 700 Series	Intel Core 2 Duo SP9000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingKnown for one	R0	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	10 W	25 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
ECC supported by processor	No	No
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	9
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memory	8 GB	8 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Storage2 differ
Total storage capacityDiffers	320 GB	250 GB
HDD interface	SATA	SATA
Optical drive type	DVD-RW	DVD-RW
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	MMC, MS PRO, SD, xD	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Discrete graphics card memoryKnown for one	0.0625 GB	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	1.759 GB	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	HDA 24-bit
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Network2 differ
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
Wireless technologyDiffers	802.11 b/g/n	Intel WiFi 5300AGN
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 & interfaces2 differ
USB 2.0 ports quantityDiffers	4	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	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 port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	0	0
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
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Performanceidentical
Motherboard chipsetKnown for one	Intel® GS45 Express	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Trial softwareKnown for one	-McAfee Internet Security Suite.	Unknown — not stated by the source
Bundled softwareKnown for one	-Acer Crystal Eye, -Acer GridVista, -Acer Backup Manager, -Acer Bio-Protection, -Acer PowerSmart Manager, -Acer Launch Manager, -Acer eRecovery Management, -Adobe Reader, -Adobe Flash Player, -Google Toolbar, -Google Desktop, -eSobi, -Office Ready, -Windows Live Essentials.	Unknown — not stated by the source
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Processor special features6 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable BitDiffers	No	Yes
Intel 64Differs	No	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	No	No
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)Differs	No	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	37135	36693
Processor codeKnown for one	SLGEV	Unknown — not stated by the source
Processor package size	22 x 22 mm	22 x 22 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Idle StatesKnown for one	Unknown — not stated by the source	No
Battery1 differ
Number of battery cells	6	6
Battery capacityKnown for one	48.8 Wh	Unknown — not stated by the source
Battery life (max)Differs	6 h	5.5 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
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 password	Yes	Yes
Certificatesidentical
CertificationKnown for one	-Wi-Fi, -ACPI 3.0, -Mobile PC 2002, -DMI 2.0, -EPEAT Silver, -GS.	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.3 kg	2.38 kg
WidthDiffers	377.5 mm	335 mm
DepthDiffers	254.5 mm	238 mm
Height (front)Known for one	2.64 cm	Unknown — not stated by the source
Height (rear)Known for one	3.09 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	31.9 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Internal modem	No	No
Supplied AC adapter type	AC	AC
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY

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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