For $700 you can make very good PC, currently I have GTX 1060 6 GB and i5 3570 and running almost all games on Ultra 60 FPS, last game I tried is BF V, about 45-60 on All max, not even recommended, I don't know why but I take this processor, I will upgrade for some newer very soon, so I will recommend gtx 1060 or maybe 2060... Good luck, search for everything on the Internet before taking anything...