Eli5: what does vram do and what happens when you increase it?

Question

Eli5: what does vram do and what happens when you increase it?

In: Technology

Answer 1

VRAM (RAM of your graphics card) mostly stores textures and various internal calculation stages. If you have more VRAM than the game (or the other task) needs, nothing will happen. If you have less, various issues may occur: say, if the graphics card is unable to store all required textures for the game scene, it will have to unload some of them and request the required ones from the disk which is slow. At best, some textures will be blurry if the game’s engine accounts for that. At worst, the game will crash or not run at all.