The following settings allowed 60 FPS with beautiful results for graphics
GRAPHICS
Graphics Game preset: steam deck
Texture Quality: High
Dynamic Resolution Scaling: Off
FidelityFX Super Resolution 2.1: Quality FidelityFX Sharpening: 80
Field of View: 90
Film Grain: Off
Chromatic Aberration: Off
Depth of Field: Off
Lens Flare: On
Motion Blur: Off
Contact Shadows: On
Improved Facial Lightning Geometry: On
Anisotropy: 16
Local Shadow Mesh Quality: Medium
Local Shadow Quality: Medium
Cascaded Shadows Range: Medium
Cascaded Shadows Resolution: Medium
Distant Shadows Resolution: Low
Volumetric Fog Resolution: Medium
Volumetric Cloud Quality: Off
Max Dynamic Decals: High
Screen Space Reflections Quality: High
Keep the rest of the settings as they are!!!
Under video: VSync: 30 Maximum FPS: 60 Windows Mode: windowed borderless Resolution: 1280x800
I found the ultimate settings try this:
The following settings allowed 60 FPS with beautiful results for graphics
GRAPHICS
Graphics Game preset: steam deck Texture Quality: High Dynamic Resolution Scaling: Off FidelityFX Super Resolution 2.1: Quality FidelityFX Sharpening: 80 Field of View: 90 Film Grain: Off Chromatic Aberration: Off Depth of Field: Off Lens Flare: On Motion Blur: Off Contact Shadows: On Improved Facial Lightning Geometry: On Anisotropy: 16 Local Shadow Mesh Quality: Medium Local Shadow Quality: Medium Cascaded Shadows Range: Medium Cascaded Shadows Resolution: Medium Distant Shadows Resolution: Low Volumetric Fog Resolution: Medium Volumetric Cloud Quality: Off Max Dynamic Decals: High Screen Space Reflections Quality: High
Keep the rest of the settings as they are!!!
Under video: VSync: 30 Maximum FPS: 60 Windows Mode: windowed borderless Resolution: 1280x800