head to head
vs
Battlefield 4vsIL-2 Sturmovik
Battlefield 4 leans Execution (Competitive PvP); IL-2 Sturmovik leans Execution (Practiced Mastery).
Battlefield 4IL-2 Sturmovik
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 2
Battlefield 4 leans harder on variance: Map-altering events and spawns inject noise
Optimization5 vs 6
IL-2 Sturmovik leans harder on optimization: Aircraft performance knowledge and tactics doctrine
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.