Ryzen 5 3600 vs. i7 9700K | How Big is the Difference?

AMD RYZEN 5 3600 (4.3 GHz OC)
intel core i7-9700K (4.9 GHz OC)
16GB DDR4 (2×8) 3400Mhz CL16
Nvidia Geforce RTX 2080 Ti
Games: 1080p / Ultra