i7 8700K (4.7GHz) vs i7 4790K (4.7GHz) vs i7 2600K (4.7GHz) | is it worth to Upgrade..???

i7 8700K (4.7GHz) vs i7 4790K (4.7GHz) vs i7 2600K (4.7GHz) | is it worth to Upgrade..??? In this Video I'll Show You Workstation and Gaming Benchmarks of intel Core i7-8700K and Core i7-4790K and Core i7-2600K System Specs intel Core i7-8700K @ 4.7GHz MSI Z370-A Pro Mobo 16GB DDR4 RAM @ 3000MHz intel Core i7-4790K @ 4.7GHz Gigabyte GA-Z97-HD3 Mobo 16 GB DDR3 RAM @ 2133MHz intel Core i7-2600K @ 4.7GHz Gigabyte GA-Z68-D3H Mobo 16 GB DDR3 RAM @ 2133MHz 2TB SSD Zotac GTX 1080 Ti Amp Ed