Review of the ASUS ZenBook’S UX391UA

ASUS this year traditionally has updated all their line of laptops. They become even thinner, lighter and more productive, and can boast of brand new chips. To us for review came compact ultrabook ZenBook’s, and today we will see if he is as good as it represents the company.



  • Dimensions: 12.9 x 311 x 213 mm
  • Weight: 1 kg
  • Display: 13.3″ IPS Full HD, 100% sRGB 178° viewing angles
  • CPU: Intel Core i5-8250U
  • Graphics: Intel Graphics UHD 620
  • RAM: 8 GB
  • ROM: 256 GB SATA3 SSD
  • Interfaces: 2 x USB-C 3.1 Gen 2 (Thunderbolt 3); 1 x USB C 3.1 Gen 1, 3.5 mm combo audio Jack
  • Battery: 50 WH, charge via any USB port-C (comes with 65W charger)
  • Wireless connection: Wi-Fi 802.11 ac Dual Band, Bluetooth 4.2;
  • Other: HD webcam, fingerprint scanner; it comes with a USB hub (USB-C to USB-A, USB-C and HDMI)

A distinctive element of the new ASUS laptops became joint ErgoLift. When you open the device, it raises the keyboard at a slight angle, which creates a comfortable position for typing and also improves the operation of the cooling system and the sound quality of the speakers, because they in this case do not lean against close to the table surface. Given the small thickness of the body (just 12.9 mm) in the clear ZenBook’s looks very stylish. Also solidity the appearance of the device, adding new colors Deep Dive Blue (dark blue) and Burgundy Red (dark red).

The laptop case is made of anodized aluminum, which, incidentally, had a positive impact on its resistance to damage – the device is protected according to MIL-STD 810G. When it’s ZenBook weighs only 1 kg and it’s definitely a plus. Also note that the hull is pretty good, resists fingerprints, and to clean them is not easy.

I design ZenBook’s like even on the first photos from Computex 2018. In live it looks even better and feels a premium product – here you and the metal housing and slim frame NanoEdge around the screen, and an interesting solution to the hinge. The latter, incidentally, does not prevent, if you print on the knees. And even if you put a laptop on the table, can not be afraid that he will “go” down at the end there are rubber feet, which are well clinging to the surface. So for those looking for a stylish and lightweight laptop, I advise you to pay attention to the ZenBook S.

Moreover, the benefits do not end there. ZenBook’s equipped with a 13.3” IPS display with excellent color (100% sRGB coverage) and the high level of peak brightness. In the sale of the options available with a matte or glossy Full HD panel and touch 4K display. However, in our market will be the only option with a matte Full HD display. In a test version was just installed this screen and, as for me, 13 inch is the best option. Angles loses brightness a little, but not absolutely critical. Well, an extra bonus is the above mentioned frame NanoEdge a thickness of just 5.9 mm. They add drama and, importantly, allow us to make the laptop very compact.

Then move on to the performance, and here I want to note two things: first, we came to the test sample, so the performance of some benchmarks may vary for the worse, second, we should not expect from a laptop with such a thickness of any record performance.

In our version of the installed processor Intel Core i5-8250U, 8 GB of RAM and an available integrated graphics Intel Graphics UHD 620. With benchmark results can be found below, with regard to personal experience, the power of such a system is enough to work in photoshop and even mount the video. 8GB of RAM is the minimum required for comfortable operation in 2018, however, this volume is enough for most office tasks. Well, who is still 8 GB is not enough available configuration with 16GB RAM (and along with the Intel Core i7-8550U). Test the laptop in the normal state was slightly warm, but even under more severe heating you don’t feel it through the hinge (if the laptop is on your lap). For onboard drive is SSD with a capacity from 256 GB to 1 TB. The speed in our case was not a record, but quite sufficient for the job.

In the ZenBook’s has the usual island-style keyboard with small key travel (1.2 mm). There are three levels of backlight also note that by default Fn key activated so to adjust the volume or the backlight by pressing a single key. However, if you prefer to do this through a combination of Fn+ to change the settings in the ASUS Keyboard Hotkeys or by pressing Fn+Esc. I work for this keyboard was comfortable, I note is slightly uneven illumination in our sample.

ASUS engineers have placed the touchpad is quite large for such a compact Cabinet. Working with him is convenient, there is support for multitouch gestures. All pretty standard. An obvious disadvantage for me is the location of the fingerprint scanner in the upper right corner of the touchpad. He just simply takes a useful place. As for me, it was logical to place it near the touchpad or on the right side of the laptop. Moreover, ASUS does in other models. As for the scanner, no complaints to him – he immediately unlocks the system and almost always works the first time.

From wired connectivity there are three USB Type-C 3.1: the one on the left side (Gen 1) and two right (Gen 2). The latter have the support of Thunderbolt 3 and capable of transmitting data at speeds up to 40 GB/s. Also note that to any port you can connect the power cable for charging. Included is a docking station with ports USB Type-C USB Type-A and HDMI. Also in the box you will find a 65W power supply that supports fast charging (60% in 49 minutes). Wireless interfaces presented by modules Wi-Fi 802.11 ac and Bluetooth 4.2.

The autonomy of the ZenBook’s is stated at 13.5 hours. Of course, the real figures will be different for each usage scenario, but on average its about 5-8 hours of work you just get. Sound system from Harman Kardon is pretty good and the volume sounds, I would like a higher maximum volume. Webcam shoots in HD, the quality is average.

ASUS ZenBook’s are already available we have for sale at the price of UAH 48000, which is about $1700. For the money you get a device with Full HD display, Intel Core i5-8550U, 16 GB RAM and SSD of 512 GB. It is a fashion device that will please excellent design, low weight, good screen and good performance. This laptop is not for gaming, video editing or complex demanding programs. But a buyer he will find exactly.

If you go to a price comparison website, we can see that the ZenBook’s competitors are the Dell XPS 13, Acer Swift, Lenovo Yoga 730, Xiaomi Mi Notebook Air, Huawei MateBook X Pro and a couple of HP. But in General, such light and compact laptops with a premium design in the market not so much. If you just restrict the search to a price bar, here you can find a laptop for any requirements: and more powerful and with more ports, etc. But in their niche ZenBook’s – is a very good option.

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