for me as a Mac and PC user. Windows wins for me on a few things when using Cubase.
Main one is ASIO direct monitoring. On windows with Direct Monitoring Checked , the cubase channels control the RME total mix channels automatically in the background so I don’t need to keep looking at a separate mixer. On Mac I have to have the total Mix mixer open and ajust levels on that, which then means Cubase has lost focus so you have to click it back into focus again… Not so with Windows 
Also on mt M1 Max there’s a few graphic niggles with Cubase/Nuendo 13, the cursor someties dissapears or doesn’t set itself back to the correct tool.
I’ve also had strange sample rate issues on the Mac whereby it seems to get stuck at one sample rate yet open a project in another with no warning from Cubase, it’s random and strange but I’ve seen others mention the same thing.
Any way none of the above issues are present on Windows.
Once set up Cubase runs well on either OS and I use the M1 max when I’m away from the Studio as I only use VST3 plugins so projects open on either machine.
For the above reasons I do prefer running Cubase on my 7950x Windows 11 machine though.
M