390x is meant to compete with 980 and both perform on similar levels. Either way you would make a good decision
390 competes with 970 and yet again both are good for the price.
R9 Fury is midway between 980 and 980Ti
R9 Fury X is meant to compete with 980 Ti but fails in overclocking potential. But it is expected that with driver updates, and other vendor's releasing the GPU, things might change. But for now, 980Ti is the fastest card.
Keep in mind that in Pakistan, Nvidia is insanely priced.