AMD RYZEN 5 2600 6-Core 3.4 GHz GeIL AMD Edition EVO SPEAR 8GB (2 x 4 GB) 288-Pin DDR4 SDRAM DDR4 2400 MSI X470 GAMING PLUS AM4 < This setup is great for gaming and streaming you and viewers where the i5 8600k is not that good at streaming.
P.s its up to you if you want 16gb Ram
Setup above comes to $402.97 on newegg