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 · Practiced Mastery
Consistent lap-time precision supported by tuning and racing-line study.

Execution · Practiced Mastery
A sci-fi shooter where aim and weapon-switching against scripted alien enemies is the core test.
Forza Motorsport 7 leans Execution (Practiced Mastery); Halo: Combat Evolved Anniversary leans Execution (Practiced Mastery).
Forza Motorsport 7 leans a little harder on execution, though the gap is small.
Forza Motorsport 7
Braking points, throttle control and racing lines are everything
Halo: Combat Evolved Anniversary
aim and grenade timing carry combat
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Forza Motorsport 7
Online racecraft adds light human positioning play
Halo: Combat Evolved Anniversary
covenant AI is scripted, not adaptive
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Forza Motorsport 7
Dynamic weather shifts conditions mid-race
Halo: Combat Evolved Anniversary
enemy spawns and drops vary
Forza Motorsport 7 leans a little harder on optimization, though the gap is small.
Forza Motorsport 7
Tuning setups and line study reward engineering effort
Halo: Combat Evolved Anniversary
weapon sandbox and routes are solvable
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.