head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Competitive PvP
A Crash Bandicoot party collection of competitive arena minigames for up to four players.

Execution · Competitive PvP
Party sports where light timing and item luck outweigh deep strategy.
Crash Bash leans Execution (Competitive PvP); Mario Sports Mix leans Execution (Competitive PvP).
Crash Bash leans a little harder on execution, though the gap is small.
Crash Bash
Minigame timing, mashing, and dodging decide most rounds
Mario Sports Mix
Timing shots and blocks matters but stays party-game forgiving
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Bash
Human rivals in versus minigames can be baited
Mario Sports Mix
Human opponents fake passes and shots in versus play
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Bash
Item drops and arena randomness swing rounds
Mario Sports Mix
Item drops and special shots inject deliberate chaos
Mario Sports Mix leans a little harder on optimization, though the gap is small.
Crash Bash
Light minigame strategies, quickly learned
Mario Sports Mix
Shallow team and court knowledge caps quickly
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.