nvidia or amd

Hello, I am intending to buy a gaming PC , and would like to know the best choice between two CPUs and two graphic cards, or the best mix between them. For the CPUs: Intel Core i5 8400 Or the ryzen 5 2400G. For graphic cards: Nvidia EVGA Geforce GTX 1060 6GB GDDR5 Or the AMD Gigabyte RADEON...