Product comparison · 2 laptops

ASUS Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M vs ASUS X451MAV-VX140B laptop Intel® Celeron® N2830

124specifications compared
64differ
60identical
43known for one product only

Key differences

Product colour
- Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M:Aluminium, Silver
- X451MAV-VX140B laptop Intel® Celeron® N2830:White
Display diagonal
- Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M:33.8 cm (13.3")
- X451MAV-VX140B laptop Intel® Celeron® N2830:35.6 cm (14")
Display resolution
- Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M:1600 x 900 pixels
- X451MAV-VX140B laptop Intel® Celeron® N2830:1366 x 768 pixels
HD type
- Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M:HD+
- X451MAV-VX140B laptop Intel® Celeron® N2830:HD
Processor family
- Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M:Intel® Core™ i5
- X451MAV-VX140B laptop Intel® Celeron® N2830:Intel® Celeron®
Processor model
- Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M:i5-2557M
- X451MAV-VX140B laptop Intel® Celeron® N2830:N2830
Processor threads
- Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M:4
- X451MAV-VX140B laptop Intel® Celeron® N2830:2
Processor boost frequency
- Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M:2.7 GHz
- X451MAV-VX140B laptop Intel® Celeron® N2830:2.41 GHz

Side by side

Differences highlightedShow differences only

Comparison of UX31E-2557M, X451MAV-VX140B
167 specifications	A ASUS Zenbook UX31E-2557M laptop Intel® Core™ i5 i5-2557M Model UX31E-2557M View product	B ASUS X451MAV-VX140B laptop Intel® Celeron® N2830 Model X451MAV-VX140B View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Aluminium, Silver	White
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	33.8 cm (13.3")	35.6 cm (14")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeDiffers	HD+	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Celeron®
Processor generationKnown for one	2nd gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-2557M	N2830
Processor cores	2	2
Processor threadsDiffers	4	2
Processor boost frequencyDiffers	2.7 GHz	2.41 GHz
Processor frequencyDiffers	1.7 GHz	2.16 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	1 MB
Processor cache typeDiffers	L3	L2
Processor socketDiffers	BGA 1023	BGA 1170
Processor lithographyDiffers	32 nm	22 nm
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Core i5-2500 Mobile Series	Intel Celeron Processor N2000 Series for Mobile
Processor codenameDiffers	Sandy Bridge	Bay Trail
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB Parity	No	No
SteppingDiffers	J1	C0
Thermal Design Power (TDP)Differs	17 W	7.5 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	4
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Known for one	17	Unknown — not stated by the source
ECC supported by processor	No	No
Scenario Design Power (SDP)Known for one	Unknown — not stated by the source	4.5 W
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory form factorKnown for one	On-board	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage3 differ
Total storage capacityDiffers	128 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
SSD interfaceKnown for one	SATA III	Unknown — not stated by the source
Optical drive typeKnown for one	No	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD	MMC, SD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Intel® HD Graphics
On-board graphics card base frequencyDiffers	350 MHz	313 MHz
On-board graphics card dynamic frequency (max)Differs	1200 MHz	750 MHz
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
On-board graphics card burst frequencyKnown for one	Unknown — not stated by the source	750 MHz
Audioidentical
Audio system	SonicMaster	SonicMaster
Speakers manufacturerKnown for one	Bang & Olufsen	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
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	No	Yes
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100 Mbit/s
Ports & interfaces2 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
Ethernet LAN (RJ-45) portsDiffers	0	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Thunderbolt ports quantity	0	0
Micro HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Mini VGA ports quantityKnown for one	1	Unknown — not stated by the source
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	2
Performanceidentical
Motherboard chipsetKnown for one	Intel QS67 Express	Unknown — not stated by the source
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 8.1
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features23 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 lithographyDiffers	32 nm	22 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 TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology versionDiffers	1.00	0.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Virtualization Technology (Intel® VT)Differs	VT-d, VT-x	VT-x
Processor ARK IDDiffers	54620	81071
Processor package sizeDiffers	31.0 x 24.0 (BGA1023)	25 x 27 mm
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Conflict-Free processorDiffers	No	Yes
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	No
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SR1W4
Battery2 differ
Battery technologyKnown for one	Lithium Polymer (LiPo)	Unknown — not stated by the source
Number of battery cellsDiffers	4	3
Battery capacityDiffers	6840 mAh	33 Wh
Power2 differ
AC adapter powerDiffers	45 W	33 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentDiffers	2.37 A	1.73 A
AC adapter output voltage	19 V	19 V
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Weight & dimensions5 differ
WeightDiffers	1.3 kg	1.92 kg
WidthDiffers	325 mm	348 mm
DepthDiffers	223 mm	241 mm
Height (front)Differs	3 mm	3.06 cm
Height (rear)Differs	1.7 cm	3.76 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Intel segment taggingKnown for one	Enterprise	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	UL, CE Marking Compliance, FCC Compliance, BSMI, Australia C-TICK / NZ A-Tick Compliance, CCC, GOST-R, CB, EPEAT, Energy star, CECP, RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	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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