head to head
Mount & Blade asks more than Grand Theft Auto: San Andreas, and the gap is execution.

Optimization · Practiced Mastery
A sprawling open-world crime epic with RPG-style character stats across a whole state.

Optimization · Practiced Mastery
Sandbox warfare testing directional combat skill atop an optimisable army and trade economy.
Grand Theft Auto: San Andreas leans Optimization (Practiced Mastery); Mount & Blade leans Optimization (Practiced Mastery).
Mount & Blade leans clearly harder on execution.
Grand Theft Auto: San Andreas
Flying school and drive-bys need decent hands
Mount & Blade
Directional blocking and couched-lance timing demand real skill
Mount & Blade leans a little harder on reads, though the gap is small.
Grand Theft Auto: San Andreas
Gang AI is scripted, never adaptive
Mount & Blade
AI lords and battle tactics are mappable scripts
Mount & Blade leans a little harder on variance, though the gap is small.
Grand Theft Auto: San Andreas
Territory wars and traffic add light randomness
Mount & Blade
World events, prices and tournaments shuffle each campaign
Mount & Blade leans a little harder on optimization, though the gap is small.
Grand Theft Auto: San Andreas
Stats, gym, weapon skill, and routes reward systematic play
Mount & Blade
Army composition, trade economy and fief management drive conquest
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.