video speaks for itself https://youtu.be/OrQaVp7nNdI also have small flickering in single monitor with 144hz freesync enabled, causing headaches/migraines uke:
Welcome to memory clock speed Hell Pretty much discussed to death here at guru3d. I Am... In A World... of Sh*t
Also happening on 16.12.1 .... But only when in Fullscreen mode. Borderless window or windowed works fine.