Product comparison · 2 laptops

ASUS N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM vs ASUS Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M

131specifications compared
47differ
84identical
39known for one product only

Key differences

Product colour
- N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM:Black, Silver
- Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M:Aluminium, Metallic
Display diagonal
- N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM:39.6 cm (15.6")
- Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M:33.8 cm (13.3")
Display resolution
- N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM:1366 x 768 pixels
- Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M:1600 x 900 pixels
Processor family
- N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM:Intel® Core™ i7
- Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M:Intel® Core™ i5
Processor generation
- N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM:2nd gen Intel® Core™ i7
- Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M:2nd gen Intel® Core™ i5
Processor model
- N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM:i7-2670QM
- Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M:i5-2557M
Processor cores
- N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM:4
- Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M:2
Processor threads
- N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM:8
- Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M:4

Side by side

Differences highlightedShow differences only

Comparison of N55SF-SX310V, UX31E-RY009V
170 specifications	A ASUS N55SF-SX310V laptop Intel® Core™ i7 i7-2670QM Model N55SF-SX310V View product	B ASUS Zenbook UX31E-RY009V laptop Intel® Core™ i5 i5-2557M Model UX31E-RY009V View product
Design1 differ
Product colourDiffers	Black, Silver	Aluminium, Metallic
Form factorKnown for one	Unknown — not stated by the source	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Aluminium, Metal
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	33.8 cm (13.3")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
HD typeKnown for one	Unknown — not stated by the source	HD+
Processor15 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	i5-2557M
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor boost frequencyDiffers	3.1 GHz	2.7 GHz
Processor frequencyDiffers	2.2 GHz	1.7 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	6 MB	3 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socketDiffers	BGA 1224	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Mobile Series	Intel Core i5-2500 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	17 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x8, 1x16, 2x4, 2x8
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	22	17
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	6 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)Known for one	1 x 2 + 1 x 4 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	750 GB	128 GB
HDD capacityKnown for one	750 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Optical drive typeDiffers	Blu-Ray ROM	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO Duo, SD	MMC, SD
Storage mediaKnown for one	Unknown — not stated by the source	SSD
SSD capacityKnown for one	Unknown — not stated by the source	128 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA III
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 555M	Not available
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Graphics card familyDiffers	NVIDIA	Intel
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
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 frequencyDiffers	650 MHz	350 MHz
On-board graphics card dynamic frequency (max)	1200 MHz	1200 MHz
On-board graphics card ID	0x116	0x116
Audio1 differ
Audio systemDiffers	SonicFocus	SonicMaster
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Wireless technologyKnown for one	802.11 b/g/n	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	Yes	No
BluetoothDiffers	No	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
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) portsDiffers	1	0
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Line-inKnown for one	Yes	Unknown — not stated by the source
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
Micro HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Mini VGA ports quantityKnown for one	Unknown — not stated by the source	1
Performance1 differ
Motherboard chipsetDiffers	Intel® HM65 Express	Intel QS67 Express
Start-up timeKnown for one	Unknown — not stated by the source	17 s
Keyboardidentical
Pointing device	Touchpad	Touchpad
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Numeric keypadKnown for one	Unknown — not stated by the source	No
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Processor special features4 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 TechnologyDiffers	No	Yes
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)Differs	No	Yes
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 CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	53470	54620
Processor codeKnown for one	SR02S	Unknown — not stated by the source
Processor package sizeDiffers	31 mm	31.0 x 24.0 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityDiffers	56 Wh	50 Wh
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Battery life (max)Known for one	Unknown — not stated by the source	7 h
Power2 differ
AC adapter powerDiffers	120 W	45 W
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentDiffers	6.3 A	2.37 A
AC adapter output voltage	19 V	19 V
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Securityidentical
Cable lock slot	No	No
Weight & dimensions5 differ
WeightDiffers	2.7 kg	1.3 kg
WidthDiffers	379 mm	325 mm
DepthDiffers	261 mm	223 mm
Height (front)Differs	3.75 cm	3 mm
Height (rear)Differs	3.7 cm	1.7 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Compliance industry standardsKnown for one	IEEE 802.3/802.3u/802.3ab	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240 V AC
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.3 MP
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR

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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