Yeah but on my previous PC I used Discord while playing too, there's no logic in having less performance on a more powerful PC which is performing under the same load as the less powerful PC.
In this case I am playing League Of Legends, I've been playing it for 10 years and it has never been like that even on my oldest setup, I suppose that this problem is either on nVidia or on Windows's side.
I built my new PC 1 month ago and I was very excited to dive into my favorite games without the lag I was having with my previous build. Soon after playing a couple of games I found out that every time I Alt+Tab out of the game (I have tried it on League of Legends and Farming Simulator only for...