head to head
Borderlands 3 asks more than Grand Theft Auto: San Andreas, and the gap is variance.

Optimization · Practiced Mastery
Refined loot shooter with skill-tree builds.

Optimization · Practiced Mastery
A sprawling open-world crime epic with RPG-style character stats across a whole state.
Borderlands 3 leans Optimization (Practiced Mastery); Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery).
Borderlands 3 leans clearly harder on execution.
Borderlands 3
Tighter gunplay than predecessors
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
Borderlands 3 leans a little harder on reads, though the gap is small.
Borderlands 3
Enemies scripted, no adaptive opponent
Grand Theft Auto: San Andreas
Gang AI is scripted, never adaptive
Borderlands 3 leans clearly harder on variance.
Borderlands 3
Weapon rolls and anointments randomize
Grand Theft Auto: San Andreas
Territory wars and traffic add light randomness
Borderlands 3 leans clearly harder on optimization.
Borderlands 3
Skill trees, anointments, gear math deep
Grand Theft Auto: San Andreas
Stats, gym, weapon skill, and routes reward systematic play
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.