i have i3 6100, a rx480 8g and 16g @2133mh ddr4 it is an amazing combo for the money. I put mine together for under 600 USD. It will play anything at 1080p on ultra. one thing to be aware of is that the i3 6100 has a bus speed of only 2133mh. So there is no need for ram at a speed of over 2133mh.
I would also look for deals at stores near you. I was able to score a motherboard and CPU combo for only 135 at my locale Fry's.