You can find plenty of CPU FPS/settings tests and benchmarks on the internet in YouTube and Google. I recommend looking for Battlefield 3/4 as the engine used for that game is very CPU dependent. The i5 4460 and the FX 8350 aren't equal, the i5 4460 is better, but the FX 8350 can do everything the i5 4460 can in terms of gaming because there's very few things that can actually force a CPU to work at max capacity when gaming. The i5 4460 offers a better upgrade path and more power, but the FX 8350 offers a cheaper alternative. I take it you are building an entirely new system, so there's no issue regarding motherboard compatibility, which is nice. A personal piece of advice, search for comparisons between the R9 290X and the R9 390 when...