head to head
Mario Kart 8 asks more than Team Sonic Racing, and the gap is variance.

Execution · Twitch Chaos
A kart racer where controlled chaos from random items tempers otherwise precise driving skill.

Execution · Twitch Chaos
Drift execution and team-boost coordination under item-roll randomness.
Mario Kart 8 leans Execution (Twitch Chaos); Team Sonic Racing leans Execution (Twitch Chaos).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Mario Kart 8
precise drifting and item timing matter
Team Sonic Racing
Drift lines and boost timing decide lap pace
Team Sonic Racing leans a little harder on reads, though the gap is small.
Mario Kart 8
minimal, mostly reacting not predicting
Team Sonic Racing
Online races add light rival positioning play
Mario Kart 8 leans clearly harder on variance.
Mario Kart 8
item boxes are heavily randomized
Team Sonic Racing
Item rolls swing positions mid-race
Mario Kart 8 leans a little harder on optimization, though the gap is small.
Mario Kart 8
track lines and item strategy solvable
Team Sonic Racing
Team mechanics and car tuning add learnable layers
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.