head to head
Mario Strikers Charged asks more than Mario Sports Mix, and the gap is reads.

Execution · Competitive PvP
Party sports where light timing and item luck outweigh deep strategy.

Execution · Competitive PvP
Tests shot timing and faking out human defenders amid item-driven chaos.
Mario Sports Mix leans Execution (Competitive PvP); Mario Strikers Charged leans Execution (Competitive PvP).
Mario Strikers Charged leans a little harder on execution, though the gap is small.
Mario Sports Mix
Timing shots and blocks matters but stays party-game forgiving
Mario Strikers Charged
Timing tackles, charged shots and goalie deflections needs quick hands
Mario Strikers Charged leans clearly harder on reads.
Mario Sports Mix
Human opponents fake passes and shots in versus play
Mario Strikers Charged
Versus humans, faking shots and baiting tackles drives goals
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Mario Sports Mix
Item drops and special shots inject deliberate chaos
Mario Strikers Charged
Items and stage hazards inject swingy chaos into matches
Mario Strikers Charged leans a little harder on optimization, though the gap is small.
Mario Sports Mix
Shallow team and court knowledge caps quickly
Mario Strikers Charged
Captain abilities and team builds reward knowing the systems
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.