head to head
vs
Battlefield 3vsStalcraft: X
Battlefield 3 leans Execution (Competitive PvP); Stalcraft: X leans Execution (Competitive PvP).
Battlefield 3Stalcraft: X
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads5 vs 5
Even - both lean on reads about the same.
Variance3 vs 4
Stalcraft: X leans harder on variance: Anomalies, artifact spawns and who you meet inject randomness
Optimization5 vs 5
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.