Because you didn't tweak the settings. My RX 480 gets around 90 fps in Overwatch at 4K. All you need to do is to disable dynamic reflections and drop effects qu

Because you didn't tweak the settings. My RX 480 gets around 90 fps in Overwatch at 4K. All you need to do is to disable dynamic reflections and drop effects quality to low. (Keep models/textures at maximum.)