head to head
NCAA Gamebreaker asks more than Grand Theft Auto V, and the gap is optimization.

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

Execution · Practiced Mastery
A college football simulation game with arcade-style gameplay.
Grand Theft Auto V leans Execution (Practiced Mastery); NCAA Gamebreaker leans Execution (Practiced Mastery).
NCAA Gamebreaker leans a little harder on execution, though the gap is small.
Grand Theft Auto V
Driving and shooting demand decent inputs.
NCAA Gamebreaker
play execution and timing on the field matters
NCAA Gamebreaker leans a little harder on reads, though the gap is small.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
NCAA Gamebreaker
opposing plays can be partially predicted/countered
NCAA Gamebreaker leans a little harder on variance, though the gap is small.
Grand Theft Auto V
Some mission and lobby randomness.
NCAA Gamebreaker
play calls and randomized outcomes affect plays
NCAA Gamebreaker leans clearly harder on optimization.
Grand Theft Auto V
Heists, money loops, builds learnable.
NCAA Gamebreaker
playbook knowledge and roster management are solvable
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.