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 · Pure Mechanics
WWII shooter remembered for its Omaha Beach landing and tense rifle duels.

Execution · Practiced Mastery
Alternate-history alien-invasion shooter known for its inventive Chimeran arsenal.
Medal of Honor: Allied Assault leans Execution (Pure Mechanics); Resistance: Fall of Man leans Execution (Practiced Mastery).
Medal of Honor: Allied Assault leans a little harder on execution, though the gap is small.
Medal of Honor: Allied Assault
classic FPS aim, leaning, and sniping
Resistance: Fall of Man
Aim and weapon handling against Chimera hordes.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor: Allied Assault
historic multiplayer scene rewarded outguessing humans
Resistance: Fall of Man
Sizable competitive multiplayer added genuine human opposition.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor: Allied Assault
scripted ambushes surprise only once
Resistance: Fall of Man
Campaign unknowns on first pass.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor: Allied Assault
encounter memorization, especially Omaha Beach
Resistance: Fall of Man
Exotic weapon selection per encounter rewards system knowledge.
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.