Product comparison · 2 laptops

Acer Aspire 5739G-874G50M vs Lenovo ThinkPad R400 (744333G), PT

100specifications compared
32differ
68identical
25known for one product only

Key differences

Display diagonal
- Aspire 5739G-874G50M:39.6 cm (15.6")
- ThinkPad R400 (744333G), PT:35.8 cm (14.1")
Display resolution
- Aspire 5739G-874G50M:1366 x 768 pixels
- ThinkPad R400 (744333G), PT:1280 x 800 pixels
Native aspect ratio
- Aspire 5739G-874G50M:16:9
- ThinkPad R400 (744333G), PT:16:10
Processor model
- Aspire 5739G-874G50M:P8700
- ThinkPad R400 (744333G), PT:T6670
Processor frequency
- Aspire 5739G-874G50M:2.53 GHz
- ThinkPad R400 (744333G), PT:2.2 GHz
Processor cache
- Aspire 5739G-874G50M:3 MB
- ThinkPad R400 (744333G), PT:2 MB
Processor front side bus
- Aspire 5739G-874G50M:1066 MHz
- ThinkPad R400 (744333G), PT:800 MHz
Processor socket
- Aspire 5739G-874G50M:Socket 479
- ThinkPad R400 (744333G), PT:Socket 478

Side by side

Differences highlightedShow differences only

Comparison of Aspire 5739G-874G50M, ThinkPad R400 (744333G), PT
125 specifications	A Acer Aspire 5739G-874G50M View product	B Lenovo ThinkPad R400 (744333G), PT View product
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.8 cm (14.1")
Display resolutionDiffers	1366 x 768 pixels	1280 x 800 pixels
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratioDiffers	16:9	16:10
Display response rise/fallKnown for one	8 ms	Unknown — not stated by the source
Processor8 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8700	T6670
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.53 GHz	2.2 GHz
Processor cacheDiffers	3 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 MHz	800 MHz
Processor socketDiffers	Socket 479	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo T6000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)Differs	25 W	35 W
Tjunction	105 °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	9.5	11
ECC supported by processor	No	No
SteppingKnown for one	R0	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-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 2 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage3 differ
Total storage capacityDiffers	500 GB	250 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeDiffers	DVD Super Multi	DVD-RW
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
Graphics card familyKnown for one	nVidia	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	Intel HDA 24-bit
Network3 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	WLAN, Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11a/b/g/n	Intel 5100AGN
BluetoothDiffers	Yes	No
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantity	3	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) ports	0	0
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	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
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Drivers includedKnown for one	Unknown — not stated by the source	Yes
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	Yes	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	Yes	No
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	37006	42109
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	Yes	Unknown — not stated by the source
Processor codeKnown for one	SLGFE	Unknown — not stated by the source
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	5.6 h
Poweridentical
DC-in jack	Yes	Yes
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
HDD user password	Yes	Yes
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.8 kg	2.4 kg
WidthDiffers	372 mm	335.5 mm
DepthDiffers	262 mm	238 mm
HeightKnown for one	Unknown — not stated by the source	34.9 mm
Height (front)Known for one	2.6 cm	Unknown — not stated by the source
Height (rear)Known for one	3.88 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Infrared data portDiffers	Yes	No
Internal modem	Yes	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	1
Supplied AC adapter type	AC	AC

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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