(15/18)Imagination Technologies did a decent paper breaking down RT capability to levels. Level 0 is standard CPU solutions. Level 1 is the BVH accelerated GPU solutions. Level 2 includes intersection testing HW which is RDNA2. Level 3 adds BVH traversal HW which is Turing.

— LeviathanGamer (@LeviathanGamer2) November 8, 2020