Calculated Karbo Intrinsic Value in two versions with the current hash rate, if the entire network consists only of Antminer X3 ASICs and if only from AMD RX 570 graphic cards:
I'll d'like to point that single 570 tops 900+ H\s, not 600 as in the picture. So assuming all other calculation are correct we get a lot better average ROI for 570 :-)
Also I always keep 570 under 100 Wt, 200 Wt from the wall probably only for single-card computer with shitty PSU.
Surely it is by far less energy efficient that ASIC but let's stick to realities.