head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Twitch Chaos
Kart racing execution moderated by item randomness and learnable track routes.

Execution · Twitch Chaos
Drift execution and team-boost coordination under item-roll randomness.
Sonic & All-Stars Racing Transformed 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.
Sonic & All-Stars Racing Transformed
Drift timing and transforming vehicle control reward practice
Team Sonic Racing
Drift lines and boost timing decide lap pace
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Sonic & All-Stars Racing Transformed
Human racers add light positional mind games
Team Sonic Racing
Online races add light rival positioning play
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Sonic & All-Stars Racing Transformed
Item rolls regularly upend race positions
Team Sonic Racing
Item rolls swing positions mid-race
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Sonic & All-Stars Racing Transformed
Track shortcuts and drift-boost routes are learnable
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.