head to head
vs
Arma 3vsRainbow Six Siege
Arma 3 leans Execution (Grand Arena); Rainbow Six Siege leans Reads (Grand Arena).
Arma 3Rainbow Six Siege
Axis by axis
Execution8 vs 7
Arma 3 leans harder on execution: Bullet drop, stance, sway, weight all matter
Reads7 vs 9
Rainbow Six Siege leans harder on reads: Defenders adapt holds; attackers fake and bait.
Variance4 vs 2
Arma 3 leans harder on variance: Mission scripts and AI behavior vary
Optimization6 vs 6
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.