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

Execution · Competitive PvP
Cover-based shotgun duels testing movement execution and positional prediction in multiplayer.

Execution · Competitive PvP
An arcade wrestling fighter about throw timing and outguessing opponents in grapples.
Gears of War: Ultimate Edition leans Execution (Competitive PvP); Saturday Night Slam Masters leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Gears of War: Ultimate Edition
Wallbounce movement and gnasher duels demand real hands
Saturday Night Slam Masters
Grab, throw and special-move timing decide bouts
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Gears of War: Ultimate Edition
Multiplayer is constant positional mind-games around cover
Saturday Night Slam Masters
Human opponents adapt; grappling is a prediction battle
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Gears of War: Ultimate Edition
Weapon spawns timed and known; spread mildly random
Saturday Night Slam Masters
Little randomness once moves are learned
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Gears of War: Ultimate Edition
Map control and spawn timing knowledge structure matches
Saturday Night Slam Masters
Move spacing and ring positioning 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.