Product comparison · 2 laptops

ASUS U31SG-RO046X laptop Intel® Core™ i3 i3-2350M vs ASUS Zenbook UX31E Intel® Core™ i5 i5-2557M

129specifications compared
42differ
87identical
32known for one product only

Key differences

Product colour
- U31SG-RO046X laptop Intel® Core™ i3 i3-2350M:Black
- Zenbook UX31E Intel® Core™ i5 i5-2557M:Aluminium, Metallic
Display resolution
- U31SG-RO046X laptop Intel® Core™ i3 i3-2350M:1366 x 768 pixels
- Zenbook UX31E Intel® Core™ i5 i5-2557M:1600 x 900 pixels
LED backlight
- U31SG-RO046X laptop Intel® Core™ i3 i3-2350M:No
- Zenbook UX31E Intel® Core™ i5 i5-2557M:Yes
Processor family
- U31SG-RO046X laptop Intel® Core™ i3 i3-2350M:Intel® Core™ i3
- Zenbook UX31E Intel® Core™ i5 i5-2557M:Intel® Core™ i5
Processor generation
- U31SG-RO046X laptop Intel® Core™ i3 i3-2350M:2nd gen Intel® Core™ i3
- Zenbook UX31E Intel® Core™ i5 i5-2557M:2nd gen Intel® Core™ i5
Processor model
- U31SG-RO046X laptop Intel® Core™ i3 i3-2350M:i3-2350M
- Zenbook UX31E Intel® Core™ i5 i5-2557M:i5-2557M
Processor frequency
- U31SG-RO046X laptop Intel® Core™ i3 i3-2350M:2.3 GHz
- Zenbook UX31E Intel® Core™ i5 i5-2557M:1.7 GHz
Processor cache type
- U31SG-RO046X laptop Intel® Core™ i3 i3-2350M:Smart Cache
- Zenbook UX31E Intel® Core™ i5 i5-2557M:L3

Side by side

Differences highlightedShow differences only

Comparison of U31SG-RO046X, UX31E
161 specifications	A ASUS U31SG-RO046X laptop Intel® Core™ i3 i3-2350M Model U31SG-RO046X View product	B ASUS Zenbook UX31E Intel® Core™ i5 i5-2557M Model UX31E View product
Design1 differ
Product colourDiffers	Black	Aluminium, Metallic
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Aluminium, Metal
Display2 differ
Display diagonal	33.8 cm (13.3")	33.8 cm (13.3")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
HD typeKnown for one	Unknown — not stated by the source	HD+
LED backlightDiffers	No	Yes
Native aspect ratio	16:9	16:9
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-2350M	i5-2557M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.7 GHz
Processor frequencyDiffers	2.3 GHz	1.7 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socketDiffers	Socket 988	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2300 Mobile Series	Intel Core i5-2500 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)Differs	35 W	17 W
TjunctionDiffers	85 °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	23	17
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 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	320 GB	256 GB
Storage mediaDiffers	HDD	SSD
SSD capacityKnown for one	Unknown — not stated by the source	256 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA II
Optical drive type	No	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, SD	MMC, SD
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	320 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
Graphics card family	Intel	Intel
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)Differs	1150 MHz	1200 MHz
On-board graphics card ID	0x116	0x116
Audio1 differ
Audio systemKnown for one	Unknown — not stated by the source	SonicMaster
Speakers manufacturerDiffers	Altec Lansing	Bang & Olufsen
Built-in microphone	Yes	Yes
Cameraidentical
Front camera resolution (numeric)	0.3 MP	0.3 MP
Optical driveidentical
LightScribe	No	No
Network2 differ
Wi-Fi	Yes	Yes
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
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Integrated 4G WiMAX	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces8 differ
USB 2.0 ports quantityDiffers	3	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	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
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
Headphone outputsDiffers	1	0
S/PDIF out portDiffers	Yes	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	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
Performance1 differ
Motherboard chipsetDiffers	Intel® HM65 Express	Intel QS67 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Windows keysKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special features6 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)Differs	No	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® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	53438	54620
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	31.0 x 24.0 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Processor codeKnown for one	SR0DN	Unknown — not stated by the source
Battery1 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Battery capacityKnown for one	Unknown — not stated by the source	50 Wh
Battery life (max)Known for one	Unknown — not stated by the source	7 h
Power1 differ
AC adapter powerDiffers	90 W	45 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
AC adapter output currentKnown for one	4.74 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
Securityidentical
Cable lock slot	No	No
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	1.78 kg	1.3 kg
WidthDiffers	328 mm	325 mm
DepthDiffers	233 mm	223 mm
Height (front)Known for one	Unknown — not stated by the source	3 mm
Height (rear)Known for one	Unknown — not stated by the source	1.7 cm
HeightKnown for one	25.4 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise
Supplied AC adapter type	AC	AC
Certificatesidentical
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source

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.

More laptop comparisons

All laptop comparisons