I know it’s an old post. But the myth must be disproved. In my project I am using 3962 decals and all have 512x512. If to delete all of them. I gain 4 to 5 FPS more in my game. If I upload the textures to 4k and delete them. I gain between 10 and 12 FPS more. It must also be said that I am using Lumen