head to head
OverwatchvsWarcraft III: Reign of Chaos
Overwatch leans Execution (Grand Arena); Warcraft III: Reign of Chaos leans Optimization (Grand Arena).
OverwatchWarcraft III: Reign of Chaos
Axis by axis
Execution8 vs 7
Overwatch leans harder on execution: Hero aim, movement, and ability timing
Reads7 vs 7
Even - both lean on reads about the same.
Variance2 vs 3
Warcraft III: Reign of Chaos leans harder on variance: Creep routes and item drops add randomness
Optimization6 vs 8
Warcraft III: Reign of Chaos leans harder on optimization: Build orders, creeping routes, and matchup theory run 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.

