head to head
vs
Battlefield 4vsRed Orchestra 2: Heroes of Stalingrad
Battlefield 4 leans Execution (Competitive PvP); Red Orchestra 2: Heroes of Stalingrad leans Execution (Competitive PvP).
Battlefield 4Red Orchestra 2: Heroes of Stalingrad
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads5 vs 6
Red Orchestra 2: Heroes of Stalingrad leans harder on reads: Anticipating human teams' pushes and covered angles.
Variance3 vs 3
Even - both lean on variance about the same.
Optimization5 vs 4
Battlefield 4 leans harder on optimization: Loadout tuning and objective rotation knowledge
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.