hey hey , you don't need to be condescending you know.
a 280x/8320 will smash a ps4 visually @ 900p/30fps, it will not even break a sweat.
now regarding "future proofing", there's no such thing with PC games. a newer better hardware will come along and new software that will push that said hardware to it's limits.
but i bet you that with the consoles getting stuck @ 900p/30fps, that 280x will last you 5 years or so.