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ASUS ZenBook S UX391UA-XB74T UHD Laptop Review

Style got a new name with ASUS ZenBook S UX391UA-XB74T UHD laptop. ZenBook series is always a stylish range of laptops but this laptop is styled so uniquely that you fall in love with this device on a very first look. An exemplary design is USP of this laptop in addition to modern hardware, super light, ultra-thin profile, superb display, backlit keyboard and admirable performance.

ASUS ZenBook S UX391UA-XB74T UHD Laptop Review

All-new 8th Gen Intel Core i7 processor adequately supported by 16 GB RAM, 512 GB SSD drive the exceptional performance. The display of 14-inch ultra HD 4K touchscreen panel with 178 degrees of wide-viewing angles delivers an ultimate visual treat to your eyes.

An advanced thermal cooling solution, Thunderbolt connectivity, good battery life, and one-touch access using Fingerprint Reader are some of the added advantages which make ASUS ZenBook S UX391UA-XB74T arduous competitor in its league.


The tradition of excellent design coupled with supportive hardware and futuristic features at affordable pricing carried forward through the ZenBook series from ASUS. Gone are the days when only performance matters and now the appearance of laptops also became important. ASUS ZenBooks normally called as ultrabooks are renowned for excellent styling and ultimate performance and ASUS ZenBook S UX391UA-XB74T UHD remained true to this reputation.

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Ultra-thin, ultra-light, and ultra-portable notebook allows you to accomplish your day-to-day tasks, watching movies, mixing videos, college, business or professional tasks without any issues. Premium styling gives you the comfort of holding the device proudly. Touchscreen display takes the full leverage of Windows 10 professional edition. Easily a best compact package available in the market at competitive price.


The ergonomic design of ASUS ZenBook S UX391UA-XB74T UHD is one of its kind. A few years back, Dell Adamo XPS possesses the same design, but apart from that, you can’t see this type of design more often on laptops.

This ultrabook consists of ‘ErgoLift Hinge’ design which automatically lifts the screen and keyboard to a very comfortable position. There are several benefits of this design, first it gives a very unique and stunning look, second ultimate typing and screen viewing comfort and last but not the least plenty of space beneath the bottom provide better airflow and efficient cooling for the system.

Design ASUS ZenBook S UX391UA-XB74T

All-metal body from finest aerospace-grade aluminum wraps up the whole system. The overall profile of just 0.5-inch thickness and 2.2lbs of weight proves the claim of the slim, sleek and lightweight machine.

Chrome plated ASUS logo and the sidelines of lid looks attractive. ErgoLift Hinge comes into the picture when you open up the lid.

Keyboard ASUS ZenBook S UX391UA-XB74T UHD Laptop

The backlit keyboard brings an ultimate typing experience and glass touchpad holds the fingerprint sensor on the above corner. The overall design is exciting and gives you premium look and feel.


The 14-inch touchscreen display with 3840 x 2160 pixels resolution takes the full benefit of Windows 10 professional edition and matte finish gives you a clean look.

Display ASUS ZenBook S UX391UA-XB74T

Just 5.9 mm NanoEdge or super narrow bezel with 85 percent screen-to-body ratio is amazing. Widescreen display allows very crisp images even on 178 degrees of viewing angles and non-glare coating assures comfortable work experience indoor as well as on outdoor.

Hardware and Performance

Performance ASUS ZenBook S UX391UA-XB74T UHD Laptop Under the hood, performance is derived through latest 8th Gen Intel Core i7-8550U Quad-Core processor (can overclock up to 4.0 GHz) and 16 GB LPDDR3 2133 MHz RAM. You can store your data on 512 GB PCIe solid state drive.

On the connectivity front, you may get discouraged a bit as only Thunderbolt 3-enabled USB 3.1 Type C option is provided on this ultrabook. Internet connection can be managed wirelessly using 802.11ac WiFi or Bluetooth 4.1 option.

Surround sound speaker backed up by Harman gives you loud and crystal-clear audio quality. The yellow colored backlit keyboard appeared like a gold-plated keyboard which suits with the design.

Thermal Solution

Thin laptops tenders to get hot easily due to their build but this laptop is equipped with an advanced thermal solution. Dual liquid-crystal-polymer fans supported by copper alloy heat pipes drain any extra heating out of the system. Cooling is also helped a lot by ErgoLift hinge design as well.

Fingerprint Sensor

The fingerprint reader is very nice innovation firstly introduced on the smartphones and now extended to the laptops. This system also got integrated fingerprint sensor on top of the touchpad. With the support of Windows Hello, you can get swift and secure access with just one-touch and blink of an eye.


Good Battery life enhances the overall value of the system. This ultrabook also receives 50Whr Lithium-ion battery which company claimed to give massive 12-13 hours of backup. The thin and lightweight profile also helps it to some extent.

These claims still need to be tested and we get more details as this battery is used in different conditions. Fast charging technology allows you to get 60 percent of battery recharged again within just 49 minutes.

We Liked
ASUS ZenBook S UX391UA-XB74T UHD main strength is its unique ErgoLift Hinge design. Apart from that premium stylish design, thin and lightweight dynamics, top-rated hardware, backlit comfortable keyboard, responsive glassy trackpad, ample battery backup, fingerprint sensor, and advanced thermal solution are some of the superb features associated with this ultrabook.
We Disliked
Limited port or connectivity options makes multi-tasking little bit tough and the positioning of a Fingerprint sensor on trackpad discourage you a bit.

Final Thoughts

Still very early days for this ASUS ZenBook. But looking at what we received this device capture your attention straight away. Ultra-thin, ultra-light, durable profile and vibrant touchscreen display impress us a lot. Above all, you will get all these advanced features at very affordable pricing.

Specs of ASUS ZenBook S UX391UA-XB74T
Processor Intel Core i7-8550U (up to 4.0 GHz)
Graphics Integrated Intel’s HD Graphics
Storage 512GB SSD
Display 14” UHD 4K 350nits

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