Searching For Intensive?

So I got a second r9 290 for Christmas and an running them in crossfire with a i5 4670k and 16gb ram. According to msi afterburner both gpus are being used at about 60 percent during vandal swarm but [..] Load

How important is or will be a good CPU? Right now I have an AMD Phenom x6 3.0Ghz (6 cores) and from all the gaming benchmarks I've seen its still a fine CPU even with a high end GPU like a 980 or a 29[..] Load