head to head
Grand Theft Auto: Vice CityvsMafia II
Grand Theft Auto: Vice City leans Optimization (Practiced Mastery); Mafia II leans Execution (Practiced Mastery).
Grand Theft Auto: Vice CityMafia II
Axis by axis
Execution4 vs 4
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 1
Grand Theft Auto: Vice City leans harder on variance: Ambient chaos mildly varies mission attempts
Optimization5 vs 4
Grand Theft Auto: Vice City leans harder on optimization: Property income and mission routes are fully learnable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

