same here.
amd 5900
6900XT
also viewing in cockpit gives one big stutter. so good frames, but at 1 position in the cockpit 1 big stutter.This makes setting up the plane for flight very difficult.
thread on avsim
good fps but panning is awfull - Microsoft Flight Simulator (2020) - The AVSIM Community
I am “pilotter” on that forum