Which computer monitor should I never buy?

Gaming monitors: you have to pay attention to this when buying

A good gaming monitor can have a significant impact on your gaming experience. But how can you tell a good monitor from a not so good one? There are various key figures that tell you what exactly the monitor can do and that you can use to identify what you are doing before you buy.

Are you more interested in display technology? We wrote about the panels in gaming monitors in another post.

Gaming monitor vs. office monitor

When I want to buy a new monitor, I first ask myself which values ​​and features are important. To make it clear what is important in a gaming monitor, I would first like to draw a comparison with conventional office or work monitors. Office monitors are often a lot cheaper than real gaming monitors and of course there are reasons for this.

When it comes to office monitors, the size and resolution are the most important factors. If you work with it all day, it takes up space, much like on a desk. In addition, the image should look crisp and sharp because it is easier on the eyes. After all, office workers often sit at the PC for 8 hours or more. The Hertz number also plays a subordinate role here. Whether it is 60 Hertz or 144 is usually not noticed in everyday work.

The gaming monitor, on the other hand, exhausts everything that today's technology has to offer. A high Hertz number is crucial here, as is a fast response time. The resolution and size are also important. After all, you want the game to look good too. In fact, however, the resolution only plays a subordinate role.

The response time determines the input lag

Gaming monitors are often advertised as having a fast response time and there is a reason for that. It is probably the most important metric when it comes to professional gaming. The response time indicates how great the input lag of a monitor is. With a response time of 3 milliseconds, for example, it takes 3 milliseconds for input from the mouse or keyboard to arrive on the screen.

A quick response time is accordingly better and ensures that the input lag is as low as possible. This in turn ensures that the game controls itself crisply, which is a great advantage, especially in competitive online games or games that require fast reaction times.

Example: HP 27xq 27-inch gaming monitor

A good example of low input lag is the HP 27xq (Shoplink), because it has a very short response time of just one millisecond. There is always a little input lag and it will never be less than a millisecond. But the resolution of 2,560 to 1,440 pixels at a frequency of 144 Hz is also impressive. You also get an HDMI 2.0 and a Display Port 1.2 connection. So you have everything a good gaming monitor should be able to do in one package.

Hertz number vs. FPS: what's the difference?

The Hertz number (refresh rate) is also an important figure when it comes to gaming monitors. It indicates how many images (frames) the monitor can display per second. The number of frames per second that the graphics card can generate depends on your hardware and the game itself.

A game with low requirements creates more frames per second for the same hardware than a game with high hardware requirements. Conversely, stronger hardware can output more frames per second in the same game.

The Hertz number of the monitor now determines how many of the output frames per second can arrive at the monitor. In plain language this means that if your hardware can play a game at 150 frames per second, but your monitor only has 60Hz, you will see the game in just 60 frames per second. However, if your monitor has 144Hz, you will also be able to see the game in 144 frames per second.

In gaming, the Hertz number is not only for aesthetic reasons. A game that runs at 120 or 144 frames per second can be seen much more smoothly. At 30 or 60 frames per second, streaks and blurred images can often be seen. Especially with faster action sequences. For gaming monitors, it should therefore be at least 120 Hertz. This makes aiming easier, especially with first-person shooters, and in general, with sharp images in quick sequences, you can better see what is happening on the screen.

Example: AOC AG271QX 27-inch gaming monitor

The AOC AG271QX (Shoplink) should also satisfy the needs of most gamers. With 144Hz and a resolution of 2,560 to 1,440 pixels, you can also follow the most action-packed scenes with great clarity. There are also monitors that offer 240 Hertz, but these are often very expensive. Since you can see everything clearly at 144 Hertz and the price is right, I recommend a good 144 Hertz monitor.


The resolution of the monitors determines the resolution in which the game can be displayed. A 4K monitor can display games in 4K, while a monitor with a resolution of 1920 to 1080 pixels (Full HD) can only display a game in this resolution. However, the resolution is always a price driver, especially if the Hertz number and response time are also to be correct, you will quickly pay a small fortune.

However, since the resolution has no direct influence on the gameplay, I recommend choosing a monitor with a lower resolution and paying attention to the frequency and response time. So you can save money.


The possibilities for connections to the monitors are numerous and it is not always clear which is the best. Basically, you should make sure that the new monitor has either an HDMI 2.0 or a display port connection - for the best resolution and Hertz number. If you want to know which connection can do what exactly, you can read everything in detail in this article: Which monitor cables are there?

Which monitor cables are there? The most common connections


There are a few things to consider when buying a gaming monitor. The most important features here are the response time and the frequency (Hertz number) if you want to have a smooth gaming experience. If you can compromise on resolution, i.e. you don't necessarily need 4K, you should be able to find good gaming monitors at fair prices without any problems.

Source of the cover picture: samsung.com

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