Raul, I don't have the resources to make the comparisons you suggest; consequently, I have to be satisfied with the results in my own little laboratory.
I began my "high end" journey in 1990 when there were two excellent high end salons that I spent an excessive amount of time in; that's where I learned most of what I know.
My search has ended, and now I'm quite content with my present rig; the bottom line is what combination of components reproduce the music you like best.