head to head
Joe Montana Football asks more than Grand Theft Auto V, and the gap is reads.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.

Optimization · Practiced Mastery
Play-calling chess against the defense with light on-field execution on top.
Grand Theft Auto V leans Execution (Practiced Mastery); Joe Montana Football leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Joe Montana Football
Player switching and passing timing matter but stay forgiving
Joe Montana Football leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Joe Montana Football
Out-guessing a friend's play call is the two-player edge
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto V
Some mission and lobby randomness.
Joe Montana Football
Hidden play selection per snap, little else random
Joe Montana Football leans clearly harder on optimization.
Grand Theft Auto V
Heists, money loops, builds learnable.
Joe Montana Football
Knowing which of 17 plays beats each defense decides drives
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.