Games consoles cannot match a gaming PC period. The PS4 manages around 1.84 TFlops of compute power maximum. My gaming PC has two Titans in it, each can produce 4.4 TFlops of compute processing making each video card more than 2x more powerful than a single PS4. When I add in the CPU too to the total, the compute power of my gaming PC is close to 10 TFlops.
So no a next gen console is not comparable to a gaming PC.