head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Execution · Pure Mechanics
An arena shooter built on precision aim and power-weapon map control.

Execution · Pure Mechanics
Classic arena shooter with faction abilities.
Halo Infinite leans Execution (Pure Mechanics); XDefiant leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Halo Infinite
Precision aim and strafe duels dominate.
XDefiant
Fast arena TTK with no SBMM crutch
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Halo Infinite
Adaptive opponents around power weapon timings.
XDefiant
Pre-aim and pacing duels reward prediction
Halo Infinite leans a little harder on variance, though the gap is small.
Halo Infinite
Spawn flips and weapon drops add noise.
XDefiant
Minimal RNG, mostly skill outcomes
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Halo Infinite
Map control, weapon timers, and team callouts.
XDefiant
Faction abilities and attachments tune fights
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.