head to head
Planetary AnnihilationvsSupreme Commander
Planetary Annihilation leans Optimization (Mind & Math); Supreme Commander leans Optimization (Pure Optimization).
Planetary AnnihilationSupreme Commander
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
Reads6 vs 5
Planetary Annihilation leans harder on reads: Scouting and out-guessing a human's expansion plan matters constantly
Variance3 vs 2
Planetary Annihilation leans harder on variance: Procedural systems and fog hide early information
Optimization8 vs 8
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.

