Will EVGA 430 watt PSU be enough for r9 380/x or GTX 960

[ToxiicHydra]

I'm looking at upgrading my graphics card due to my GTX 750 1GB not playing games as i would like them. I was wondering if i could handle and R9 380/x or GTX 960 on my EVGA 430 watt PSU, I wouldn't have the PSU more than 2 months after I get the card. Could i get away with it or should i upgrade PSU first. And is the R9 380/x better than R9 280/x?

PC specs for PSU
AMD Athlon 860k
1 Optical Drive
1 1TB Hard Drive
1 Cooler Master EVO 212
2 Antic 120mm Fans plus Evo Master fan
Plus one of these graphics cards.

 

[Tradesman1]

Yes, need more PSU, 380 needs at least 500 w/ 28 AMPs on the 12 volt rail, get the PSU first, and yes the 380 is better than the 280 😉