head to head
Mario Kart 64 asks more than Subway Surfers, and the gap is reads.

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

Execution · Twitch Chaos
An endless runner testing swipe reflexes against procedurally generated obstacle streams.
Mario Kart 64 leans Execution (Twitch Chaos); Subway Surfers 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 64
Mini-turbo snaking and shortcut execution
Subway Surfers
Swipe reaction speed at increasing pace is everything
Mario Kart 64 leans clearly harder on reads.
Mario Kart 64
Couch rivals bait shells and fakes
Subway Surfers
No opponent - just oncoming obstacles
Mario Kart 64 leans a little harder on variance, though the gap is small.
Mario Kart 64
Item draws swing every race
Subway Surfers
Procedural track segments keep each run unseen ahead
Mario Kart 64 leans clearly harder on optimization.
Mario Kart 64
Shortcut and line knowledge is fully mapped
Subway Surfers
Powerup upgrades matter little beyond reflex play
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.