head to head
vs
Grey GoovsOverwatch
Grey Goo leans Reads (Grand Arena); Overwatch leans Execution (Grand Arena).
Grey GooOverwatch
Axis by axis
Execution6 vs 8
Overwatch leans harder on execution: Hero aim, movement, and ability timing
Reads7 vs 7
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization7 vs 6
Grey Goo leans harder on optimization: Goo creep routing and tech order are well-defined optimization problems
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.