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

Execution · Practiced Mastery
An arcade-style American football simulation with licensed NFL teams.

Execution · Competitive PvP
Shot timing and play selection against opponents adjusting to your tendencies.
ESPN NFL PrimeTime 2002 leans Execution (Practiced Mastery); NBA 2K14 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.
ESPN NFL PrimeTime 2002
player control precision on plays
NBA 2K14
Shot release timing and dribble chains gate scoring
NBA 2K14 leans a little harder on reads, though the gap is small.
ESPN NFL PrimeTime 2002
reading opponent playcalling in human matches
NBA 2K14
Online opponents counter your favourite plays
ESPN NFL PrimeTime 2002 leans a little harder on variance, though the gap is small.
ESPN NFL PrimeTime 2002
play outcome randomness meaningful
NBA 2K14
Shot RNG sways close possessions
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
ESPN NFL PrimeTime 2002
playbook and roster strategy solvable
NBA 2K14
Playbook knowledge and roster management reward study
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.