head to head
Command & Conquer: Red Alert 3vsHeroes of the Storm
Command & Conquer: Red Alert 3 leans Reads (Grand Arena); Heroes of the Storm leans Reads (Mind & Math).
Command & Conquer: Red Alert 3Heroes of the Storm
Axis by axis
Execution6 vs 5
Command & Conquer: Red Alert 3 leans harder on execution: Naval and air micro alongside base-building taxes player bandwidth
Reads7 vs 7
Even - both lean on reads about the same.
Variance3 vs 3
Even - both lean on variance about the same.
Optimization6 vs 7
Heroes of the Storm leans harder on optimization: Talent picks and team comps deep
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

