head to head
Arena Breakout: Infinite asks more than DayZ, and the gap is optimization.

Execution · Grand Arena
High-stakes extraction raids testing aim, opponent prediction, and loot-economy mastery at once.

Variance · Grand Arena
Hardcore survival sandbox where other players are scarier than the zombies.
Arena Breakout: Infinite leans Execution (Grand Arena); DayZ leans Variance (Grand Arena).
Arena Breakout: Infinite leans a little harder on execution, though the gap is small.
Arena Breakout: Infinite
Gunfights against humans punish slow aim instantly
DayZ
gunfights punish slow hands severely
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Arena Breakout: Infinite
Predicting other squads' rotations and ambushes is constant
DayZ
every survivor met may lie, ambush, or befriend
DayZ leans a little harder on variance, though the gap is small.
Arena Breakout: Infinite
Loot spawns and unseen player positions dominate raid outcomes
DayZ
loot spawns and who you meet are unknowable
Arena Breakout: Infinite leans clearly harder on optimization.
Arena Breakout: Infinite
Ammo tiers, insurance economy and map routes reward deep study
DayZ
map knowledge and survival routines compound
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.