Acording to HDTVtest you will get best result with playing it in SDR.
I am aware and that may be objectively true, but it still looks flat and lifeless in comparison to me. It’s worth trying to make it work in HDR. After the 1.05 patch the GeForce experience tricks are broken for me and destroy the picture, but with a combination of latest Korean firmware update on the TV, nvidia hotfix drivers, 1.05 patch, and TV brightness a couple clicks down to 48 it looks great.