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

Execution · Competitive PvP
Timing-based basketball execution layered over playbook knowledge and opponent prediction.

Execution · Pure Mechanics
Free-to-play military shooter mixing class-based PvP with co-op missions.
NBA 2K9 leans Execution (Competitive PvP); Warface leans Execution (Pure Mechanics).
Warface leans a little harder on execution, though the gap is small.
NBA 2K9
Shot timing and stick handles set the ceiling
Warface
Aimbot dominates gunfights; recoil control and flick aim decide duels.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
NBA 2K9
Online defenders bait passes and adapt to your sets
Warface
Human PvP positioning and peek mind-games in versus modes.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
NBA 2K9
Shot RNG and bounces add bounded noise
Warface
Spawn and enemy position uncertainty, minor.
NBA 2K9 leans a little harder on optimization, though the gap is small.
NBA 2K9
Playbooks, matchups and roster management are learnable systems
Warface
Loadout grind and class synergy matter but are mappable.
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.