So basically i dont know alot about PC parts and i wanna upgrade my CPU from a i5 6400 2.70GHz to a i7. My question is which i7 should i get? I have a GTX 1070, I play alot of CS:GO, BO4, Rainbow 6 siege and a bit of fortnite. BTW i have a 144Hz monitor to i want a system to get around 150-200 FPS