Bah resolution means little, I play at 4k with a r9 390 all game settings max with mid aa. But it's a really low intensive game called smite. Nano would run it at like 120fps average on 4k and the 1080 would hit the fps cap a lot I feel we should start saying I run x reso with x card using games like x
Sounds pedantic but I'm sure many indie platforms can be run at 5k on a 780ti or such.
Even with major games like battlefield and metro there are large discrepancies
However a nano is a cool card
Yeah i used to run GTA at 5k scaled with 4xmsaa and people used to say wtf that impossible, without realising i had all the other settings on minimum

I just liked the high res and low settings for duals at it made people really easy to spot and i wasnt distracted by and jaggies.