Go for an AMD fx 8350 with a really good motherboard ( 990fxa chipset) and overcook it at 4.6ghz using a good watercooling system. You will get a tiny bit more performance than a stock i7 4770 and with the money you will save buy a super powerful gpu like r9 290x or gtx 980. setup will give you more general performance than if you had an expensive Intel CPU with a mediocre gpu.