head to head
Mario Kart 64 asks more than Sonic Dash, and the gap is reads.

Execution · Twitch Chaos
N64 couch classic where blue shells and shortcuts decide friendships.

Execution · Twitch Chaos
Reaction-swiping through procedurally assembled obstacle runs.
Mario Kart 64 leans Execution (Twitch Chaos); Sonic Dash leans Execution (Twitch Chaos).
Mario Kart 64 leans a little harder on execution, though the gap is small.
Mario Kart 64
Mini-turbo snaking and shortcut execution
Sonic Dash
Swipe reactions at speed are the entire test
Mario Kart 64 leans clearly harder on reads.
Mario Kart 64
Couch rivals bait shells and fakes
Sonic Dash
No opponent of any kind
Mario Kart 64 leans a little harder on variance, though the gap is small.
Mario Kart 64
Item draws swing every race
Sonic Dash
Procedural track segments keep each run unmemorisable
Mario Kart 64 leans a little harder on optimization, though the gap is small.
Mario Kart 64
Shortcut and line knowledge is fully mapped
Sonic Dash
Upgrade and power-up choices nudge scores modestly
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.