head to head
vs
Battlefield 3vsHalo 2: Anniversary
Battlefield 3 leans Execution (Competitive PvP); Halo 2: Anniversary leans Execution (Competitive PvP).
Battlefield 3Halo 2: Anniversary
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads5 vs 6
Halo 2: Anniversary leans harder on reads: Predicting human positioning and power-weapon pushes is constant
Variance3 vs 2
Battlefield 3 leans harder on variance: Spawns, destruction, and vehicle drops shuffle engagements
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.