Hey guys, I recently got my graphics cards, 2x GTX 1080 SLI which should be good for at least 3 years or more, but I hear that DirectX 12 games will use more than 4 CPU cores. Is 4790k good for GTX 1080 SLI for next 3 years? Let me know if I should upgrade to 6 or 8 core i7. At the moment it is...