Usually dithering is applied separately. This would be the first time I hear of a DAW which adds dither by itself?
And you are right, before I was just looking at my smartphone screen…
Now on my big monitor I see, that Cubase indeed beats Logic and Reaper as well.
Just one last thing: People don’t edit your music videos in Adobe programs. I heard of it before, but this confirms it. DaVinci Resolve i.e. behaves much better in this regard according to a lot of people.
I get the feeling this is one of those threads where the OP disappears and everyone else keeps rambling on about things the OP doesn’t or doesn’t care to understand.