@Procks : Thanks for the welcoming! Don’t worry I have those requirements in mind too 
@MattiasNYC: wow, now this is a detailed answer. Thanks for providing all those informations, the charts are really eye-opening.
According to my tables, the 2600 (or even the 2600x) are way more affordable here than a 8600k, and I plan to get a GPU anyway (I will do light video editing). I also asked on reddit what may be a good solution for me and the AMD seems to be the better deal. I guess my choice is made! Thank you again!