How Many Cores Really Need For Gaming?

4 Cores vs 6 Cores vs 8 Cores vs 10 Cores vs 12 Cores (Ultra Settings 1080p) World of Tanks - Games : Battlefield 5 Rainbow Six Siege - 01:01 Assassin’s Creed Odyssey - 01:49 HITMAN 2 - 02:35 The Witcher 3 - 03:26 System: Windows 10 Pro AMD Ryzen 9 3900x (SMT - OFF) GIGABYTE X570 AORUS PRO GeForce RTX 2080 OC 8GB 16Gb RAM 3600Mhz