On paper it seems to be nearly the same aircraft as the F-16. It's closely matched in ceiling, payload, and speed wit the F-16 having a slight lead in 2/3 categories speed and ceiling ( by no means decisive) but the f-16 has over twice the operational range, meaning it can stay over the target area twice as long and remain further to the rear ( less chance to get overrun by ground forces, or fall victim to a sneak attack) 4,220 km for the F-16 against 1,850 km for the J-10. Of course then you can add external fuel pods to both of them- significantly extending their ranges.
As far as avionics go, i cant be sure.