This guide is for users with GPU around GTX 1060 / RX580 but overall boost for everyone.
Open AMD Radeon Software, select “GAMING” then “CP2077” and follow the image below.
Open Nvidia Control panel, select “3D SETTINGS” then “PROGRAMS” tab then CP2077 and follow the image below.
In Game Settings
Apply these settings after using the corresponding GPU settings above.
Some screenshots I took with those settings on my RX 580 \ Ryzen 2700 \ 16GB 3200Mhz system (Getting between 50-60fps with dips to 45 on busy street zones and shooting).