Set this to Normal or High . Setting grass to Ultra can cost you roughly 10-15 FPS in rural areas.
Turn MSAA Off . This is one of the most demanding settings in the game. Use FXAA On instead for a low-cost solution that smooths edges without a major performance hit.
Ensure your system is ready to prioritize the game's resources: GTA 5 FPS Boost For Gaming 2023 Guide
Turn on Windows Game Mode to help the OS prioritize your game and disable background tasks.
Set to High or Very High . This controls motion blur and bloom; lowering it from Ultra can gain you roughly 7–8 FPS. Advanced Performance Tweaks Set this to Normal or High
Located in Advanced Graphics , setting this below 1x (e.g., 0.750 or 0.834 ) renders the game at a lower resolution and upscales it, providing a major FPS boost at the cost of some sharpness.
Reduce these sliders to 50% or lower . This significantly lowers the CPU load by reducing the number of cars and NPCs rendered at once. This is one of the most demanding settings in the game
Set to High . Setting this to Ultra can drain up to 20 FPS, while High offers a good visual baseline for a much lower cost.