Yes, this game requires a beast of a PC... if you want to run it at 4K. Just like every game requires a beast PC in that scenario atm.
Quotemy dad genuinely bought a Titan Z to play Guildwars on his 4K monitor *facepalm* and still suffers FPS issues
Try turning off all the anti-aliasing options. I say all, but I think the menu allows for "on/off"
How much RAM do you have to be maxxing out? do you mean GDDR or DDR? because that 980 should have at least 4GB GDDR available.
Im running it at 1080p with a 144Hz monitor, and while I haven't monitored my FPS yet I've had very little in the way of FPS drops