: Set both to Normal . Grass is one of the biggest performance killers, often causing a 20–30 FPS impact.
Adjusting these in-game settings can yield an extra 40–80 FPS depending on your hardware. FiveM [GTA 5] - How to Optimize Graphics Settin...
: Lower Population Density and Variety to 0–50%. These settings directly impact CPU load, which is critical for FiveM. : Set both to Normal