Product comparison · 2 laptops

ASUS N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM vs ASUS U31SD Intel® Core™ i5 i5-2430M

135specifications compared
31differ
104identical
34known for one product only

Key differences

Product colour
- N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM:Black
- U31SD Intel® Core™ i5 i5-2430M:Silver
Display diagonal
- N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM:39.6 cm (15.6")
- U31SD Intel® Core™ i5 i5-2430M:33.8 cm (13.3")
Processor family
- N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM:Intel® Core™ i7
- U31SD Intel® Core™ i5 i5-2430M:Intel® Core™ i5
Processor generation
- N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM:2nd gen Intel® Core™ i7
- U31SD Intel® Core™ i5 i5-2430M:2nd gen Intel® Core™ i5
Processor model
- N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM:i7-2670QM
- U31SD Intel® Core™ i5 i5-2430M:i5-2430M
Processor cores
- N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM:4
- U31SD Intel® Core™ i5 i5-2430M:2
Processor threads
- N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM:8
- U31SD Intel® Core™ i5 i5-2430M:4
Processor boost frequency
- N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM:3.1 GHz
- U31SD Intel® Core™ i5 i5-2430M:3 GHz

Side by side

Differences highlightedShow differences only

Comparison of N55SF-SX459V, U31SD
169 specifications	A ASUS N55SF-SX459V laptop Intel® Core™ i7 i7-2670QM Model N55SF-SX459V View product	B ASUS U31SD Intel® Core™ i5 i5-2430M Model U31SD View product
Design1 differ
Product colourDiffers	Black	Silver
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	33.8 cm (13.3")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i7	2nd gen Intel® Core™ i5
Processor modelDiffers	i7-2670QM	i5-2430M
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.1 GHz	3 GHz
Processor frequencyDiffers	2.2 GHz	2.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	6 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1224	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Mobile Series	Intel Core i5-2400 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	D2	J1
Thermal Design Power (TDP)Differs	45 W	35 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	22	24
Compatible processor seriesKnown for one	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7	Unknown — not stated by the source
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage3 differ
Total storage capacityDiffers	750 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	750 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD size	2.5"	2.5"
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO Duo, SD	Memory Stick (MS), MMC, SD
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 555M	NVIDIA® GeForce® GT 520M
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Graphics card familyDiffers	Intel, NVIDIA	NVIDIA
Discrete graphics memory type	GDDR3	GDDR3
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 3000	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1200 MHz	1200 MHz
On-board graphics card ID	0x116	0x116
Audioidentical
Audio systemKnown for one	SonicMaster	Unknown — not stated by the source
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Speakers manufacturerKnown for one	Unknown — not stated by the source	Altec Lansing
Optical driveidentical
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Gigabit Ethernet, WLAN	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Wireless technologyKnown for one	Unknown — not stated by the source	Wireless LAN
4G WiMAXKnown for one	Unknown — not stated by the source	No
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	2	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	Yes	Yes
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
TV-out	No	No
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipset	Intel® HM65 Express	Intel® HM65 Express
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Unknown — not stated by the source	Yes
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	32 nm	32 nm
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	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
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)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	53470	53450
Processor codeDiffers	SR02S	SR04W
Processor package sizeDiffers	31 mm	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	56 Wh	Unknown — not stated by the source
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Poweridentical
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	90 W
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC adapter output currentKnown for one	Unknown — not stated by the source	4.74 A
AC adapter output voltageKnown for one	Unknown — not stated by the source	19 V
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Weight & dimensions3 differ
WeightDiffers	2.7 kg	1.78 kg
WidthDiffers	379 mm	328 mm
DepthDiffers	261 mm	233 mm
Height (front)Known for one	3.7 cm	Unknown — not stated by the source
Height (rear)Known for one	3.75 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	28.5 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Power requirements	100-240V	100-240V
Supplied AC adapter type	AC	AC
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Internal modemKnown for one	Unknown — not stated by the source	No
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.3 MP

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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