i am building a cpu but i am confused in core i7 4790k and and i7 6700k which is better for gaming i have two options for my build 1st is core i7 4790k with asus maximus hero vii motherboard and 16gb ddr3 ram and two way sli gtx 980ti and 2nd is core i7 6700k asus maximus hero viii and 16gb ddr4 ram and 2 way sli gtx 980ti i want to know which system is better overall i dont care about money i need the best for overall performance