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ASUS ZENBOOK Prime UX21A

alaTest has collected and analyzed 230 reviews of ASUS ZENBOOK Prime UX21A. The average rating for this product is 3.8/5, compared to an average rating of 4.1/5 for other Laptops for all reviews. Reviewers are impressed by the price and keyboard. The screen and design also get good comments. Comments are divided on the usability, and some have doubts about the reliability and size.

performance, design, screen, keyboard, price

connectivity, size, reliability

We analyzed user and expert ratings, product age and more factors. Compared to other Laptops the ASUS ZENBOOK Prime UX21A is awarded an overall alaScore™ of 85/100 = Very good quality.

See all ASUS Laptops

Review analysis

(Based on 230 reviews)

Expert Reviews  

User Reviews  

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Expert review by: (notebookcheck.net)

Review Asus Zenbook Prime UX21A Ultrabook

 

Full HD peanut. The tiny Asus Zenbook Prime UX21A features an 11.6-inch display and a class-leading resolution of 1920x1080 pixels. The other specs are noteworthy as well: Intel Core i7 Ivy Bridge dual-core processor, SSD, backlit keyboard, and a...

Low weight & slim chassis, Premium aluminum unibody chassis, Not a "bare bones" system, System fan can is accessible for cleaning, High quality input devices, Non-glare Full HD display (1920 x 1080 pixels), Convincing display measurements, Backlit...

Port selection could be better, Not very expandable, Noisy under load, The ability to use mSATA Solid State Drives. The proprietary connector is too restrictive

Nov, 2012

Expert review by: Anand Lal Shimpi (anandtech.com)

ASUS Zenbook Prime (UX21A) Review: The First of the 2nd Gen Ultrabooks

 

The first round of Ultrabooks were mostly underwhelming. It shouldn't be a surprise, but many of the efforts were just half hearted at best. Of the companies who shipped the first Ultrabooks however, it was ASUS who came the closest to perfection with...

While I'll save the truly final verdict for when ASUS gets me shipping hardware, chances are if you've been waiting for the perfect 11-inch Ultrabook - the Zenbook Prime UX21A is it.

May, 2012

Expert review by: Hunter Skipworth (pocket-lint.com)

Asus Zenbook UX21 and UX31 Ultrabook pictures and hands-on - Pocket-lint

 

Asus has announced the Zenbook, a slim and sexy Ultrabook. We'd seen the Zenbook UX31 Ultrabook previously, but have now seen both, together, to marvel

Oct, 2011

Product Specifications

Audio

Audio system:SonicMaster
Built-in Microphone: Yes
Built-in speaker(s):Y
Built-in speakers: Yes
Number of built-in speakers:2
Speakers manufacturer:Bang & Olufsen

Battery

Battery Capacity:35
Battery capacity (Watt hours):35
Battery performance:4800
Battery Technology:Lithium Polymer (LiPo) / Polymer
Number of battery cells:6

Camera

Front Camera:Y
Front camera resolution:1280 x 720

Design

Color of product:Aluminium, Metallic / Aluminium, Silver / Black, Silver / Grey, Stainless steel / Silver
Form Factor:Clamshell
Housing material:Aluminium
Intel segment tagging:Enterprise
Market positioning:Ultrabook
Product type:Ultrabook

Display

3D:N
3D compatibility: No
Aspect Ratio:16:9
Display brightness:350
Display Diagonal:11.6
Display Resolution:1366 x 768 / 1920 x 1080
HD type:Full HD / Not supported
LED backlight: Yes
Touch screen: No
Touchscreen:N

Energy Management

AC adapter frequency:50/60
AC adapter input voltage:100 - 240
AC adapter output voltage:19
AC adapter power:45

Graphics

Discrete graphics adapter:N
Discrete graphics adapter model: No
Number of displays supported (on-board graphics):3
On-board graphics adapter: Yes
On-board graphics adapter base frequency:350
On-board graphics adapter dynamic frequency (max):1050 / 1150
On-board graphics adapter family:Intel® HD Graphics
On-board graphics adapter ID:0x166
On-board graphics adapter model:Intel HD Graphics 4000

Keyboard

Full-size keyboard: Yes
Numeric keypad: No
Pointing device:Touchpad
Windows keys: Yes

Memory

Internal memory:4
Internal memory type:DDR3-SDRAM
Maximum internal memory:4
Memory clock speed:1600
Memory form factor:On-board

Networking

3G: No
4G:N
4G WiMAX: No
Bluetooth:No / Yes
Bluetooth version:4.0
Cabling technology:10/100/1000Base-T(X)
Ethernet LAN:N
Ethernet LAN connection: No
Wi-Fi: Yes
Wi-Fi standards:802.11a, 802.11b, 802.11g, 802.11n

Optical Drive

LightScribe: No
Optical Drive Type: No

Other Features

Audio system:SonicMaster
Graphics adapter family:Intel
Infrared data port: No
Number of products included:1
On-board graphics adapter: Yes
Power supply type:AC/DC
Wireless Technology:Wi-Fi

Packaging Data

AC adapter bundled: Yes
AC adapter included:Y
Cables included:AC / Yes
Manual: Yes
Quick start guide: Yes
Warranty card: Yes

Ports & interfaces

CardBus PCMCIA slot type: No
Combo headphone/mic port: Yes
DC-in jack: Yes
Docking connector: No
DVI port: No
ExpressCard slot: No
Micro HDMI ports quantity:1
Microphone in: No
Mini VGA ports quantity:1
S/PDIF out port: No
SmartCard slot: No
USB 3.0 (3.1 Gen 1) Type-A ports quantity:2

Power

AC adapter frequency:50/60
AC adapter input voltage:100 - 240
AC adapter output voltage:19
AC adapter power:45

Processor

Bus type:DMI
Chipset:Intel HM75 Express / Intel HM76 Express
Conflict Free processor:Y
CPU multiplier (bus/core ratio):17 / 19
ECC supported by processor:N
FSB Parity: No
Integrated 4G WiMAX:Y
Maximum number of PCI Express lanes:1 / 16
Maximum number of SMP processors:1
Motherboard chipset:Intel HM75 Express / Intel HM76 Express
Number of processors supported:1
PCI Express configurations:1x16, 2x8, 1x8+2x4 / 1x8, 1x16, 2x4, 2x8
PCI Express slots version:2.0
Processor:I5-3317U / I7-3517U
Processor boost frequency:2.6 / 3
Processor cache:3 / 4
Processor cache type:Smart Cache
Processor codename:Ivy Bridge
Processor cores:2
Processor family:3rd gen Intel® Core™ i5 / 3rd gen Intel® Core™ i7 / Intel Core i5-3xxx / Intel Core i7-3xxx
Processor frequency:1.7 / 1.9
Processor lithography:22
Processor Manufacturer:Intel
Processor model:I5-3317U / I7-3517U
Processor operating modes:64-bit
Processor Series:Intel Core i5-3300 Mobile series / Intel Core i7-3500 Mobile series
Processor socket:BGA1023
Processor threads:4
Stepping:L1
System bus data transfer rate:5
System bus rate:5
Thermal Design Power (TDP):17
Tjunction:105

Processor special features

CPU configuration (max):1
Embedded options available: No
Enhanced Intel SpeedStep Technology: Yes
Execute Disable Bit: Yes
Graphics & IMC lithography:22
Idle States: Yes
Intel 64:Y
Intel AES New Instructions: Yes
Intel Anti-Theft Technology: Yes
Intel Clear Video HD Technology: Yes
Intel Clear Video Technology:N
Intel Clear Video Technology for MID: No
Intel Demand Based Switching: No
Intel Dual Display Capable Technology: Yes
Intel Enhanced Halt State: Yes
Intel Fast Memory Access: Yes
Intel FDI Technology: Yes
Intel Flex Memory Access: Yes
Intel Hyper-Threading Technology: Yes
Intel Identity Protection Technology: Yes
Intel Identity Protection Technology version:1.00
Intel Insider: Yes
Intel InTru 3D Technology: Yes
Intel My WiFi Technology: Yes
Intel Quick Sync Video Technology: Yes
Intel Rapid Storage Technology: No
Intel Secure Key Technology version:1.00
Intel Smart Cache: Yes
Intel Smart Response Technology: No
Intel Trusted Execution Technology: No
Intel Turbo Boost Technology:2.0
Intel Virtualization Technology (VT-x):Y
Intel Virtualization Technology for Directed I/O (VT-d):Y
Intel vPro Technology: No
Intel VT-x with Extended Page Tables (EPT): Yes
Intel Wireless Display (WiDi) Technology: Yes
Intel® AES New Instructions (Intel® AES-NI):Y
Intel® Anti-Theft Technology (Intel® AT):Y
Intel® Clear Video HD Technology (Intel® CVT HD):Y
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID):N
Intel® Hyper Threading Technology (Intel® HT Technology):Y
Intel® Identity Protection Technology (Intel® IPT):Y
Intel® Insider™: Yes
Intel® InTru™ 3D Technology:Y
Intel® My WiFi Technology (Intel® MWT):Y
Intel® Quick Sync Video Technology: Yes
Intel® Secure Key:Y
Intel® Small Business Advantage (Intel® SBA):N
Intel® Smart Cache:Y
Intel® Turbo Boost Technology:2.0
Intel® vPro™ Technology:N
Intel® Wireless Display (Intel® WiDi):Y
InTru™ 3D Technology: Yes
Processor ARK ID:65707 / 65714
Processor code:SR0N6 / SR0N8
Processor package size:31
Supported instruction sets:AVX
Thermal Monitoring Technologies: Yes

Security

Fingerprint reader: No

Software

Drivers included: Yes
Operating system architecture:64-bit
Operating system installed:Windows 7 Home Premium / Windows 7 Professional / Windows 8 / Windows 8 Pro

Storage

Card reader integrated: Yes
Compatible memory cards:SD / SDXC
Number of SSDs installed:1
Solid-state drive capacity:128 / 256
Solid-state drive interface:Serial ATA III
Solid-state drive interfaces:Serial ATA III
Storage media:SSD
Total Storage Capacity:128 / 256

Weight & Dimensions

Depth:7.76
Height (front):0.118
Height (rear):0.669
Weight:2.43
Width:11.8