Switchinig from Premiere to Final Cut, should I?

I recently discovered that rendering times in FC are much better than in Premiere. Even the Macbook with the Intel m processor can handle 4k better than some high end windows laptops. That’s why I was thinking of buying 2015 13 inch macbook pro, base model.

What are your thoughts guys, will it be enough for 4k or should I stick with the Premiere and buy windows laptop?