Custom Resolution [upd]

Competitive esports players frequently use non-native, lower horizontal resolutions—such as on a standard 1080p monitor.

Enable DSR (Nvidia) or VSR (AMD) in your control panel. Render the game at 4K, display it at 1080p. custom resolution

It acts like a hardware-intensive but perfect form of Anti-Aliasing. Competitive esports players frequently use non-native

Yes, you will get black bars at the top and bottom of your screen. But for games that don't natively support ultrawide (we’re looking at you, Elden Ring pre-mod), this forces the engine to comply. Suddenly, you see more of the game world left and right than your friend with the same monitor. Elden Ring pre-mod)

It’s free performance utilization. Use it.