Asus UX21A-K1010V


Asus UX21A-K1010V
Asus UX21A-K1010V (Zenbook Prime UX Series)
Graphics adapter
4096 MB 
, DDR3, 1600 MHz, onboard
11.6 inch 16:9, 1920 x 1080 pixel, CMN1124, IPS, Full-HD, 1080p, LED, 11.6-inch / 29.5 centimeter diagonally, glossy: no
Intel HM76 (Panther Point)
SanDisk U100 128 GB, 128 GB 
, SSD, type: SDSA5JK-128G-Q
Intel Panther Point PCH - High Definition Audio Controller
2 USB 3.0 / 3.1 Gen1, Audio Connections: Combination headphone/microphone jack, Sensors: Ambient light sensor, Micro-HDMI, Mini-VGA (adapter), RJ-45 (USB adapter)
10/100 MBit Lan Adapter (10/100MBit/s), Intel Centrino Advanced-N 6235 (a/b/g/n = Wi-Fi 4), Bluetooth Bluetooth 4.0
height x width x depth (in mm): 17 x 299 x 196 ( = 0.67 x 11.77 x 7.72 in)
35 Wh Lithium-Polymer, 4800 mAh, 7.4 volts, integrated, type: C23-UX21
Operating System
Microsoft Windows 7 Home Premium 64 Bit
Webcam: 720p
Additional features
Speakers: 2x stereo speakers, integrated microphone, Keyboard: Chiclet type, Keyboard Light: yes, Ultrabook, power adapter 45 watts with EU plug, case, velcro cable wrap, documentation, cleaning cloth, VGA adapter, RJ-45 adapter, Bing Bar, Game Park Console, Go Go Gourment, InstantOn, Intel WiDi, McAfee Internet Security, myBitCast, Wireless Console 3, Adobe Reader X, Software von Asus, 24 Months Warranty, ASUS SonicMaster Technologie, warranty with pickup service& return service, color: silver
1.145 kg ( = 40.39 oz / 2.52 pounds), Power Supply: 185 g ( = 6.53 oz / 0.41 pounds)
1199 Euro



Average Score: 89% - very good
Average of 1 scores (from 1 reviews)
price: - %, performance: 81%, features: 62%, display: 87% mobility: 90%, workmanship: 97%, ergonomy: 91%, emissions: 86%

Reviews for the Asus UX21A-K1010V

89% Review Asus Zenbook Prime UX21A Ultrabook | Notebookcheck
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 sturdy aluminum chassis.
Review: Zenbook Prime ASUS UX21A. El ultrabook Retina de 11“
Source: Hispazone Spanish ES→EN
Positive: The matte display with high-quality IPS panel; amazing definition; high quality sound.
Single Review, online available, Medium, Date: 09/02/2012



The Asus Zenbook is still one of the best looking ultrabook out there, next to the Macbook Air. The only problem with the original UX32 was its price. The 13 inch model was far more pricy than any other ultrabooks. Asus decided to deliver a little of that good taste for far less the price with the new mid-range Zenbook.

With the same kind all metal body featuring a concentric circle design, the new UX32A looks every bit as good as the original Zenbook. To reduce its price, the 256GB SSD had to be replaced with a hybrid drive consisting of a 500GB hard disk and a 24GB SSD. Naturally this makes the new model a little thicker than the older one but that size isn’t a problem at all. It is still by farthest, one of the sleekest ultrabook out there. As a result of the thicker chassis, several additional ports could be included in this new model, which actually is better.

The fast boot-up and resume from sleep times still remains fast thanks to the tiny SSD but the cheaper model is crippled with an i3 processor of the older Sandy Bridge platform and an older generation graphics adapter as well. Due to this severe new generation technology shortage it is hard to see why a person would choose the UX32A over all the other ultrabooks in the same price range out there. Perhaps if exterior design is your only priority, it would serve you well. However, even the least tech savvy person might not consider an ultrabook with an i3 processor.

Intel HD Graphics 4000: Processor graphics card in the high end Ivy Bridge models. Offers a different clock speed in the different CPU models (ULV to desktop quad core) and therefore a different performance.

Non demanding games should be playable with these graphics cards.

» Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.

Intel Core i7: The Intel Core i7 for laptops is based on the LG1156 Core i5/i7 CPU for desktops. The base clock speed of the CPUs is relatively low, but because of a huge Turbo mode, the cores can dynamically overclock to up to 3.2 GHz (920XM). Therefore, the CPU can be as fast as high clocked dual-core CPUs (using single threaded applications) but still offer the advantage of 4 cores. Because of the large TDP of 45 W / 55 W, the CPU is only intended for large laptops.  

3517U: Fast Ivy-Bridge-based ULV-CPU in Q2 2012. Offers a core clock of 1.9 - 3.0 GHz and an HD 4000 GPU (350 - 1150 MHz). The TDP is rated at 17 W.» Further information can be found in our Comparison of Mobile Processsors.


This screen diagoal is quite large for tablets but small for subnotebooks. Some convertibles are also represented with that size.

Large display-sizes allow higher resolutions. So, details like letters are bigger. On the other hand, the power consumption is lower with small screen diagonals and the devices are smaller, more lightweight and cheaper.

» To find out how fine a display is, see our DPI List.

1.145 kg:

This weight is typical for big tablets, small subnotebooks, ultrabooks and convertibles with a 10-11 inch display-diagonal.

Asus: ASUSTeK Computer Incorporated, a Taiwanese multinational company, produces motherboards, graphics cards, optical drives, PDAs, computer monitors, notebook computers, servers, networking products, mobile phones, computer cases, computer components, and computer cooling systems. The company's 2007 revenues reached US$6.9 billion. ASUS also produces components for other manufacturers. The Eee PC initiated the netbook boom in 2008.

In the notebook sector, Asus had a global market share of about 11% from 2014-2016, making it the fourth largest laptop manufacturer. In the smartphone sector, Asus is not among the Top 5 and has only a small market share (as of 2016).

89%: This is a good rating above average. Nevertheless you should not forget, that 10-15% of all notebook-models get a better rating.

» Further information can be found in our Notebook Purchase Guide.


Asus UX21A-K1009V
HD Graphics 4000
Asus UX21A-1AK1
HD Graphics 4000

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Gigabyte X11-9WX110000
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Devices from a different Manufacturer and/or with a different CPU

Toshiba Portege Z10t-A-111
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HD Graphics 4000, Core i3 3217U
Acer Aspire S7-191-6859
HD Graphics 4000, Core i5 3317U
Asus Taichi 21-DH51
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Acer Aspire S7-191-6640
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Asus VivoBook X202E-DH31T
HD Graphics 4000, Core i3 3217U
Asus VivoBook S200E-CT182H
HD Graphics 4000, Core i3 3217U
Asus VivoBook S200E-C158H
HD Graphics 4000, Core i3 3217U
HP EliteBook 2170p-B6Q15EA
HD Graphics 4000, Core i7 3667U
Acer Aspire V5-171-6616
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Acer Aspire V5-171-6867
HD Graphics 4000, Core i5 3317U
Sony Vaio SV-T11113FGS
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Apple MacBook Air 11 inch 2012-06 MD223LL/A
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Gigabyte X11
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Devices with the same GPU

HP ProBook 4340s-C5C86EA
HD Graphics 4000, Core i3 3110M, 13.3", 2 kg
Asus UX32LA-R3065H
HD Graphics 4000, Core i7 4500U, 13.3", 1.5 kg
Asus UX31A-C4037H
HD Graphics 4000, Core i7 3537U, 13.3", 1.5 kg
Samsung 530U3C-A09UK
HD Graphics 4000, Core i3 3217U, 13.3", 1.5 kg
HP ProBook 4340s-C4Y10EA
HD Graphics 4000, Core i3 3110M, 13.3", 2 kg
Samsung ATIV 730U3E-K01HS
HD Graphics 4000, Core i5 3337U, 13.3", 1.5 kg
Samsung 900X3E-A01UK
HD Graphics 4000, Core i7 3517U, 13.3", 1.2 kg
Samsung 900X3E-A01PL
HD Graphics 4000, Core i7 3537U, 13.3", 1.2 kg
Fujitsu Lifebook E733
HD Graphics 4000, Core i7 3632QM, 13.3", 1.7 kg
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Stefan Hinum, 2012-12- 3 (Update: 2012-12- 3)