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
Late-90s arcade football execution with couch-versus prediction and bouncy luck.

Execution · Competitive PvP
A soccer game testing on-pitch execution and outplaying opponents.
FIFA 99 leans Execution (Competitive PvP); This is Football 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.
FIFA 99
Quick passing and shot timing in arcade-leaning football
This is Football
Passing, shooting, and movement timing drive matches
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA 99
Couch opponents can be conditioned and baited
This is Football
Human opponents you outmaneuver; AI is scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA 99
Era physics produce regular fluke goals
This is Football
Some ball-physics and AI randomness
This is Football leans a little harder on optimization, though the gap is small.
FIFA 99
Simple formations and known exploit angles map fast
This is Football
Tactics, formations, and squad management matter
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.