head to head
vs
Assassin's Creed IV: Black FlagvsWatch Dogs
Assassin's Creed IV: Black Flag leans Optimization (Practiced Mastery); Watch Dogs leans Optimization (Practiced Mastery).
Assassin's Creed IV: Black FlagWatch Dogs
Axis by axis
Execution4 vs 5
Watch Dogs leans harder on execution: Cover shooting and driving at modest difficulty
Reads2 vs 1
Assassin's Creed IV: Black Flag leans harder on reads: Multiplayer deception mode; campaign is scripted
Variance2 vs 2
Even - both lean on variance about the same.
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.