This is for OLED model only for a locked 90fps with HDR. 

Steam Quick Access Settings

• Turn off Auto Brightness and set the HDR brightness to100%.

Display Settings

• HDR - ON
• Adjust HDR - Adjust so the pattern is slightly visible.
• Brightness Level - +2

Graphics Settings

• Display Mode - Borderless
• V-Sync - ON
• FPS - Unlimited

Advanced Settings

• Texture Filtering - 16x
• Shadow Quality - Medium
• Geometry Quality - Medium
• Realtime Reflections - ON
• Motion Blur - ON
• SSAO - ON
• Render Scale - 100%
• Anti-Aliasing -  Will becoime greyed out when FSR 3 is turned on.
• Depth of Field - ON
• Reflection Quality - Medium
• AMD FSR 1.0 - OFF
• AMD FSR 2 - OFF
• AMD FSR 3 - Quality
• AMD FSR 3 Sharpness - 0.5
• AMD FSR 3 Frame Generation - Off