Searching about another issue I found this:
https://forums.dolphin-emu.org/Thread-30...-with-60hz
That user fixed the problem by turning off "Skip Presenting Duplicate frames" in the Hack tab of the Graphic Configuration.
If you hover your mouse over that option, Dolphin will tell you that having it ON could create frame pacing issues and that turning it off with Vsync On gives optimal frame pacing.
https://forums.dolphin-emu.org/Thread-30...-with-60hz
That user fixed the problem by turning off "Skip Presenting Duplicate frames" in the Hack tab of the Graphic Configuration.
If you hover your mouse over that option, Dolphin will tell you that having it ON could create frame pacing issues and that turning it off with Vsync On gives optimal frame pacing.