GTA 5 Steam Deck settings

STEAM SETTINGS:
Refresh rate -> 40Hz
Framerate -> 60fps
Allow Tearing -> OFF
TDP Limit -> ON, Watts -> 9

GAME SETTINGS:
DirectX Version -> DirectX 11
Screen Type -> Fullscreen
Resolution -> 1280x800
Aspect Ratio -> Auto
Refresh Rate -> 60hz
Output Monitor -> 1
FXAA -> Off
MSAA -> Off
VSync -> On
Pause Game On Focus Loss -> On
Population Density -> 5/10
Population Variety -> 10/10
Distance Scaling -> 10/10
Texture Quality -> Normal
Shader Quality -> Normal
Shadow Quality -> Normal
Reflection Quality -> Normal
Reflection MSAA -> Off
Water Quality -> Normal
Particles Quality -> Normal
Grass Quality -> Soft
Post FX -> Normal
Anisotropic Filtering -> X2
Ambient Occlusion -> Normal
Tesselation -> Normal
Leave "Advanced Graphics" as is by default, these options are extremely graphically taxing and changing any of them will result in a negative experience.