Would there be a significant bottleneck with an i5 8400 and an RX 6800? Would a CPU upgrade be necessary or would it just help a lot? - Quora
i7-4790K Vs. i5-8400 | New Games Benchmarks - YouTube
GTX 1070 Call of Duty Modern Warfare benchmark with Intel Core i7-6700 @ 3.40GHz at Ultra Quality: 1080p, 1440p, Ultrawide, 4K Performance Benchmarks - GPUCheck United States / USA
CM8068403358811 Intel Core i5-8400 2.8GHz L3 Desktop CPU