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

Execution · Competitive PvP
Stick execution and reading human opponents within a meta-driven system.

Execution · Grand Arena
Stick-skill shot timing plus scheme prediction against human opponents, layered on build optimisation.
FIFA 18 leans Execution (Competitive PvP); NBA 2K26 leans Execution (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA 18
Perfect stick skill and timing dominate dribbles and finishing
NBA 2K26
Shot timing, dribble combos and defensive sliding demand practiced sticks
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA 18
Human opponents bait, switch tactics and counter your habits
NBA 2K26
Online opponents bait coverages and adjust schemes constantly
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA 18
Bounce physics and pack luck add measured chaos
NBA 2K26
Shooting RNG and card pulls inject noise
NBA 2K26 leans a little harder on optimization, though the gap is small.
FIFA 18
Formation, squad chemistry and meta mechanics reward study
NBA 2K26
Builds, badge setups and playbook knowledge are studyable systems
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.