Product comparison · 2 laptops

ASUS Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M vs Lenovo X230i Tablet

127specifications compared
44differ
83identical
58known for one product only

Key differences

The Lenovo X230i Tablet has 0.7 GHz more processor frequency than the ASUS Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M (2.4 GHz vs 1.7 GHz). The Lenovo X230i Tablet has 18 W more thermal Design Power (TDP) than the ASUS Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M (35 W vs 17 W). The ASUS Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M has 15°C more tjunction than the Lenovo X230i Tablet (100 °C vs 85 °C). Only the Lenovo X230i Tablet has ExpressCard slot. Only the ASUS Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M has Intel Trusted Execution Technology.

Product colour
- Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M:Silver
- X230i Tablet:Black
Form factor
- Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M:Clamshell
- X230i Tablet:Convertible (Swivel)
Display diagonal
- Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M:33.8 cm (13.3")
- X230i Tablet:31.8 cm (12.5")
Display resolution
- Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M:1600 x 900 pixels
- X230i Tablet:1366 x 768 pixels
Processor family
- Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M:Intel® Core™ i5
- X230i Tablet:Intel® Core™ i3
Processor generation
- Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M:2nd gen Intel® Core™ i5
- X230i Tablet:2nd gen Intel® Core™ i3
Processor model
- Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M:i5-2557M
- X230i Tablet:i3-2370M
Processor frequency
- Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M:1.7 GHz
- X230i Tablet:2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of UX31E-MA1, X230i Tablet
185 specifications	A ASUS Zenbook UX31E-MA1 laptop Intel® Core™ i5 i5-2557M Model UX31E-MA1 View product	B Lenovo X230i Tablet View product
Design2 differ
Product colourDiffers	Silver	Black
Form factorDiffers	Clamshell	Convertible (Swivel)
Product typeKnown for one	Unknown — not stated by the source	Hybrid (2-in-1)
Display2 differ
Display diagonalDiffers	33.8 cm (13.3")	31.8 cm (12.5")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
HD typeKnown for one	HD+	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
TouchscreenKnown for one	Unknown — not stated by the source	Yes
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i3
Processor modelDiffers	i5-2557M	i3-2370M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	2.7 GHz	Unknown — not stated by the source
Processor frequencyDiffers	1.7 GHz	2.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socketDiffers	BGA 1023	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2500 Mobile Series	Intel Core i3-2300 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)Differs	17 W	35 W
TjunctionDiffers	100 °C	85 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	17	24
ECC supported by processor	No	No
L3 cacheKnown for one	Unknown — not stated by the source	3 MB
L2 cacheKnown for one	Unknown — not stated by the source	3 MB
Memory2 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1333 MHz	1600 MHz
Memory layout (slots x size)	1 x 4 GB	1 x 4 GB
Memory slotsDiffers	1x SO-DIMM	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Storage2 differ
Total storage capacityDiffers	128 GB	320 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 type	No	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	320 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
Graphics card familyKnown for one	Intel	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	350 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1200 MHz	1150 MHz
On-board graphics card ID	0x116	0x116
Audio1 differ
Audio systemDiffers	Sonic Focus	High Definition Audio
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Optical driveidentical
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
Wireless technologyKnown for one	802.11 b/g/n	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Ports & interfaces4 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	2
eSATA/USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantity	0	0
DisplayPorts quantityDiffers	0	1
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Firewire (IEEE 1394) ports	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	1	1
S/PDIF out port	No	No
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Performance1 differ
Motherboard chipsetDiffers	Intel QS67 Express	Intel® QM77 Express
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypad	No	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Drivers included	Yes	Yes
Operating system architectureKnown for one	Unknown — not stated by the source	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	Yes	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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
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	2.0	No
Processor ARK IDDiffers	54620	53442
Processor package sizeDiffers	31.0 x 24.0 (BGA1023)	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SR0DP
Battery1 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)
Battery capacityKnown for one	6840 mAh	Unknown — not stated by the source
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery life (max)Known for one	Unknown — not stated by the source	10.3 h
Power1 differ
AC adapter powerDiffers	45 W	65 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output currentKnown for one	2.37 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	BIOS, HDD, Supervisor
Weight & dimensions5 differ
WeightDiffers	1.3 kg	1.8 kg
WidthDiffers	325 mm	305 mm
DepthDiffers	223 mm	228.7 mm
Height (front)Differs	0.3 mm	2.7 cm
Height (rear)Differs	1.7 cm	3.13 cm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Intel segment taggingKnown for one	Enterprise	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Indication lightKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	No
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
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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