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.

Optimization · Practiced Mastery
Play-calling chess against the defense with light on-field execution on top.

Execution · Practiced Mastery
Planning approaches with recon tools, then executing them under lethal fire.
Joe Montana Football leans Optimization (Practiced Mastery); Tom Clancy's Ghost Recon Advanced Warfighter leans Execution (Practiced Mastery).
Tom Clancy's Ghost Recon Advanced Warfighter leans a little harder on execution, though the gap is small.
Joe Montana Football
Player switching and passing timing matter but stay forgiving
Tom Clancy's Ghost Recon Advanced Warfighter
Lethal firefights punish sloppy aim and exposure
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Joe Montana Football
Out-guessing a friend's play call is the two-player edge
Tom Clancy's Ghost Recon Advanced Warfighter
Multiplayer squads outflank and adapt to your habits
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Joe Montana Football
Hidden play selection per snap, little else random
Tom Clancy's Ghost Recon Advanced Warfighter
Enemy placements are scripted-but-unknown on first attempt
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Joe Montana Football
Knowing which of 17 plays beats each defense decides drives
Tom Clancy's Ghost Recon Advanced Warfighter
Drone recon, squad orders and approach planning decide missions
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.