ASUS ZenBook UX331FA-AS51 Review

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Ultrabooks offer you portability and power in the same machine. With a smaller laptop, you can travel to your heart’s content and can get work done at the same time. This ASUS ZenBook UX331FA-AS51 is an ultrabook that promises the same without any compromises.

The ASUS ZenBook UX331FA-AS51 is primarily aimed at students and those who are always on the move. With a price point of $700, this is one of the most affordable laptops out there in this size category. The device brings a horde of neat specs that are perfect for mid-range users. But is this ASUS laptop worth your time and money? Read the full review to find out.


There are a lot of good things to talk about in this ASUS ZenBook UX331FA-AS51 laptop. We have an ultra-slim laptop that is ideal for students and travelers. With a thickness of 0.5″ at its slimmest point, this is one of the thinnest laptops out there.

The laptop is also super portable. It weighs 2.47lbs and is one of the lightest ultrabooks out there if not the lightest. You can easily carry this ultrabook around without feeling a huge chunk of metal in your backpack. The overall feel of the laptop is also premium, thanks to the use of solid materials.


The display we have on the ASUS ZenBook UX331FA-AS51 is a 13.3“ wide-view full HD display that comes with nano edge bezels. This is one of the best-looking displays you will find on an ultrabook with full HD resolution. The nano edge bezels are a nice touch and have increased the screen to body ratio significantly. This is one of the main reasons why this laptop looks much smaller than its size.

The picture quality of this display is excellent. This is mainly because of the pixel density and also the IPS panel underneath. This IPS panel gives us an excellent contrast ratio and also produces impeccable viewing angles that make this laptop perfect for media consumption.

The speakers on this device are also equally good and can boost volume up to 3.5 times. They are tuned by Harman Kardon and give you an excellent quality output with decent bass. This speaker set up and display, you can get a wholesome multimedia experience which is nice.

Keyboard and Trackpad

The keyboard on this laptop is a pretty good one and it comes with a standard Asus design. The font on the keys is something you see in Asus laptops and looks pretty good. The arrow keys are small and could take some getting used to.

The typing experience on this laptop is quite good. The keys are well laid out and have enough travel to make typing on this laptop worthwhile. You also get backlighting on this keyboard which makes it possible to work even in darker environments.

The trackpad is a standard one and it comes with support for all the windows OS gestures. When it comes to regular use, there are no complaints here for both the keyboard and the trackpad.

In addition to this, you also get a fingerprint reader on this device. This fingerprint reader enables you to access information with just a tap of a finger. You can also encrypt your data in your storage with the help of a third-party application.

Processing Power

For processing power, we have an Intel Core i5 processor from the eighth generation of Intel chips. This is a quad-core processor and it comes with a maximum clock speed of 3.9GHz which is a lot of power. The processor also packs 6MB as a Smart cache memory.

This processor is perfect for handling your everyday needs without any hiccups. When the processor kicks into turbo boost mode, you can run some serious applications without holding yourself back. Since we are talking about an i5 chip, this does not have a huge effect on the battery. You will be getting more out of your battery with this processor than with an i7 processor.

There are eight gigs of LPDDR3 memory on this laptop which should be more than enough for most mid-range uses. With this Ram, you will be able to run several applications side-by-side without impacting the overall performance of the device. The ASUS ZenBook UX331FA-AS51 is perfect for multitasking and improving your productivity especially if you’re someone who travels a lot.


It’s good to know that Asus has not compromised when it comes to storage. The storage on a laptop is one of the most important things as it decides your day to day performance. What we have here is a 512 GB solid-state drive.

This solid-state drive gives you a generous amount of space to play with. Apart from the storage space, this SSD is excellent when it comes to speed and performance. Having fast storage is very important these days as they complement the processor in the nicest way possible.

This SSD boots up the operating system in just a few seconds which all have not been possible with a mechanical hard drive. You can also open your frequently used applications at lightning speed, thanks to this solid-state drive.

Graphics Performance

When it comes to graphics performance, the ASUS ZenBook UX331FA-AS51 does a pretty decent job. It comes only with an integrated HD graphics card which is still much better than the ones you used to get previously. You will be able to run most entry-level and mid-range games without any problems whatsoever. You might even have some luck in trying out some heavy games if you are willing to reduce the settings.

This laptop also allows you to edit videos as long as they are not long and super high-resolution like 4K. You should keep in mind that this laptop does not come with a dedicated graphics card and rendering videos might take a lot longer than what you might expect.

Battery Life

The battery life of the ASUS ZenBook UX331FA-AS51 is one of its best selling features. With light use, this laptop can last for about 10 to 11 hours which is fantastic. As a student, you would get the most benefit out of this as you don’t have to charge your laptop in the middle of the day and move freely without anything in your mind.

Even as a professional, you would have a lot of respect for this laptop as it gives you more battery life than you bargained for. If you work on something complex and heavy, this battery life might come down but you would still be able to get at least 5 to 6 hours which is super impressive.

The ASUS ZenBook UX331FA-AS51 laptop also comes with support for fast charging. With fast charging, you can charge up to 60% of your battery capacity in just 49 minutes which is fantastic. Whenever you don’t have a lot of time in your hands, you can plug your laptop in for 49 minutes and get more than 4 to 6 hours of usage which is just insane.


There are a lot of connectivity options in this ASUS ZenBook UX331FA-AS51 laptop. You get a USB Type-C port that comes with a lot of uses. You can easily transfer data at lightning speed and even connect an external display through the port.

You also get a couple of USB 3.1 Type-A port, an HDMI port, a microSD card reader, and an audio jack. The sports are often used by people daily and are very useful when it comes to external connectivity.

The laptop also comes with support for wireless connectivity standards like Wi-Fi and Bluetooth. You have 802.11ac Wi-Fi that is must much faster than its previous generation. Bluetooth 4.1 also gives you excellent range and makes wireless external connectivity a breeze.

ASUS ZenBook UX331FA-AS51 Review – Summary

With strong performance enhancers like a powerful processor, sufficient memory, fast storage, and excellent battery life, the ASUS ZenBook UX331FA-AS51 is a brilliant ultrabook, to say the least. The fact that it comes at an affordable price point makes this deal much sweeter. The laptop is an excellent choice for mid-range and even some heavy users, so if you’re one of them, then you can’t go wrong with this laptop.

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