head to head
Mario Sports Mix asks more than Sonic & All-Stars Racing Transformed, and the gap is reads.

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

Execution · Twitch Chaos
Kart racing execution moderated by item randomness and learnable track routes.
Mario Sports Mix leans Execution (Competitive PvP); Sonic & All-Stars Racing Transformed leans Execution (Twitch Chaos).
Sonic & All-Stars Racing Transformed leans a little harder on execution, though the gap is small.
Mario Sports Mix
Timing shots and blocks matters but stays party-game forgiving
Sonic & All-Stars Racing Transformed
Drift timing and transforming vehicle control reward practice
Mario Sports Mix leans clearly harder on reads.
Mario Sports Mix
Human opponents fake passes and shots in versus play
Sonic & All-Stars Racing Transformed
Human racers add light positional mind games
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
Sonic & All-Stars Racing Transformed
Item rolls regularly upend race positions
Sonic & All-Stars Racing Transformed leans a little harder on optimization, though the gap is small.
Mario Sports Mix
Shallow team and court knowledge caps quickly
Sonic & All-Stars Racing Transformed
Track shortcuts and drift-boost routes are learnable
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.