head to head
Diablo IIIvsMight and Magic VI: The Mandate of Heaven
Diablo III leans Optimization (Pure Optimization); Might and Magic VI: The Mandate of Heaven leans Optimization (Pure Optimization).
Diablo IIIMight and Magic VI: The Mandate of Heaven
Axis by axis
Execution4 vs 3
Diablo III leans harder on execution: Greater Rift pushing has minor mechanical demand in builds
Reads1 vs 1
Even - both lean on reads about the same.
Variance5 vs 4
Diablo III leans harder on variance: Primal Ancient drops and set dungeon RNG drive the grind
Optimization9 vs 9
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

