Alienware aw2521h VS Asus pg259qn: Comparison

Are you thinking about upgrading the gaming monitor? Or wish to create a gaming PC? Then it is high time to read some comparisons to get your hands on a reliable gaming monitor.

There are several companies manufacturing some fantastic gaming monitors. However, you cannot check each one of the manufacturing companies. Thus, the only efficient way is to select two reliable and renowned companies and then compare their models.

Both Dell and Asus are famous digital and tech brands, and users trust them, so today, we will be comparing two innovative monitors. One by Dell Alienware, and the other by Asus.

The two models under discussion are as follows

  • Alienware aw2521h
  • Asus Pg259qn

Both these are gaming monitors, but it does not mean that you cannot use these monitors for any other tasks. You might be surprised to know that gaming monitors are the best choice for designers, video editors, and business people whose work relies on display quality. So you can choose one of these monitors for the above-mentioned purposes as well.

Which brand is better: Asus or Alienware?

Giving a straight answer would be absolutely wrong. However, we can tell you a few recurring things that may help you decide which brand is better for you. So as far as the price is concerned, Alienware monitors are better if you are purchasing with a restricted budget. On the contrary, the Asus monitors would cost you more.

Then the build quality is also different for both brands. If you are pretty conscious about the design and look of the PC, then you prefer Alienware. Their designs are more contemporary. Asus focuses more on the simpler designs.

Alienware aw2521h vs Asus pg259qn

As far as customer service is concerned, Asus has been a better competitor in this regard. One does not need to wait for several days to get answers to their questions.

Comparison of Alienware AW2521H and Asus PG259QN

In this section, we will look into various features that are often deemed necessary for the best performance of any gaming monitor.

Preview:Alienware aw2521hAsus PG259QN
Size:24.5 inches23-8 , 24.5 , 27 , 32 , 43 Inches
Refresh Rate:360 Hz144Hz, 240 Hz, 360 Hz
Response Time:1ms1ms
Brightness nits:400 nits400 nits
Ports:HDMI 2.0 , DisplayPort 1.4 , USB 3.2HDMI 2.0 , DisplayPort 1.4 , USB Ports

Screen size

Screen size plays a crucial role in determining if a gaming monitor is actually suitable for gaming or not. A large screen might not be a good choice for gaming unless you have a great space to put it.

Alienware AW2521H comes with 24.5 inches screen, which is fine for those who have just started gaming or do not have much space to keep 27 inches or larger screen.

Asus PG259QN is also a 24.5 inches monitor, so there is no difference at all between the size of the screens. If you are only looking for the screen size differences, then you may choose any of these.


The screen resolution would decide how clear an image would be on your monitor. The lower the screen resolution, the harder it will be for you to see the details.

Alienware AW2521H has a full HD display. Even though the full HD display is not perfect for gaming, and many people prefer QHD, with other reinforcing features, the 1080×1920 resolution will be fine.

Asus PG259QN is also a full HD display with the same resolution as the Alienware AW2521H. There is not much difference in the resolution.

Refresh rate

Refresh rate decides if a monitor is suitable to play video games or not. The higher the refresher ate, the better the monitor would be for videos.

Alienware AW2521H has a 250Hz refresh rate, which is pretty high, more than a regular PC monitor. Thus, making it a suitable choice for the gamers. However, there are still some other monitors available in the market that offer an even higher refresh rate.

On the other hand, Asus PG259QN offers a greater refresh rate, thus, making it an ideal choice for professional gamers. It comes with a refresh rate of 360Hz, so if you are playing a fast-moving video game, then you do not need to wait for several seconds to avoid the blurry picture.

Response rate

Response rate is the time a monitor screen takes to change its color. For gaming monitors, a minimum response rate is crucial. Otherwise, you will not get to enjoy your game properly.

Alienware AW2521H offers a 1 ms response rate which is perfect and the fastest response time available to date. Thus, you do not tend to worry about the performance of the monitor at all.

Asus PG259QN also has a 1ms response rate, so in both cases, the users do not need to think much about the grey to grey color change. It will help the user to play online games very conveniently and also for online streaming.

Adaptive sync

If a monitor is unable to sync, then it will not be able to give you the best video game quality. The sync means that the monitor is capable of working alongside the GPU, which is an essential part of a gaming PC.

For a smooth working and game experience, Alienware AW2521H comes with Nvidia G-sync. It is the standard certification and compatibility required for any gaming monitor.

The Asus Monitor also comes with the same sync technology as the Alienware AW2521H. You do not need to skip it for that, and you can connect the most advanced GPU easily with this monitor.

Design and ports

The design of a monitor says a lot about its appearance in your room. Believe it or not, many people think that the look of their PC matters more than the PC performance.

Alienware AW2521H and Asus PG259QN Ports

Alienware AW2521H Monitor comes with the finest design which is made according to modern choices. So if you are looking for that robotic design with some extra design work, on the stand, then this is the monitor to look for. It comes with 2 HDMI ports and 3 USB 3.2 ports, and these are enough to connect your monitor to any other external device.

Those who prefer the conventional and straightforward look can consider the Asus PG259QN as it is very simple. It comes with only one HDMI port, which is a major issue for those who need to connect their monitor with other devices.


After considering all the salient features of these two monitors, we have to come to the conclusion that the Asus monitor is best for professional gamers, while beginners and intermediate-level gamers can think of the Acer monitor. As far as the price is concerned, the Alienware monitor is more expensive than the Asus monitor, so overall, and we would prefer the Asus monitor over the Acer one.

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