While your choice of a gaming monitor will be influenced by a lot of factors: the games you play, console you use and your budget, the general gaming monitor specs that you should keep in mind are resolution, refresh rate, HDMI bandwidth.
In this article, we will explain these features in more details for you:
A general rule when buying a gaming monitor is that you should not buy anything less than 1920 x 1080 pixels, also known as Full HD or 1080P. Many competitive gamers up to these days prefer 1080P since it is not too demanding to the system, and allows them to play more effectively. If you are more interested in resolution, you can check this article What is Resolution of Monitor? Full HD vs 2K vs 4K.
If graphics are important for you, make your visual experience even greater with HDR. Both PlayStation 4 (Slim and Pro) and the Xbox One (standard, S, and X) support HDR10, and you will want to choose a monitor supporting this function. With High Dynamic Resolution or HDR, the colors you see on your screen will be more vibrant and the image as a whole will be more dynamic and closer to what it looks like in real life. This is because this technology is capable of capturing a wider colors gamut and a variety of shades. It captures details in both darker and brighter parts of the picture without subtle detail loss. It prevents brighter parts from being too bright and the darkest parts from blackening out.
The Xbox One X and PS4 Pro are technically 4K-capable consoles. If you want to truly enjoy their capabilities, it is crucial to choose a monitor with HDMI 2.0 or later version. HDMI version 2.0 provides bigger bandwidth and can transfer more data. HDMI 2.0 can deliver up to 60 frames of 4K content without compromising quality. That is something older versions of HDMI cannot do.
If you are playing first person shooter, fighting, or racing games, the speed of refreshing images on your screen is crucial. The faster the screen refreshes the images, the better you perform because the image on the screen to keep up with your fastest movements. For these highly competitive kinds of games like CS:GO, Call of Duty, Battlefield or FIFA, faster refresh rate is usually believed to be beneficial.
It also supports FreeSync2 to avoid choppy playing experience and image tearing due to differences in refresh rates of console and monitor.