head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Practiced Mastery
A cinematic WWII console shooter famous for its D-Day opening.

Optimization · Practiced Mastery
Dimension-hopping spectacle platformer built on the classic arsenal-upgrade loop.
Medal of Honor: Frontline leans Optimization (Practiced Mastery); Ratchet & Clank: Rift Apart leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor: Frontline
Console gunplay through cinematic set-pieces
Ratchet & Clank: Rift Apart
Dodging, rift-tether mobility, and weapon aim.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor: Frontline
Scripted soldiers never adapt
Ratchet & Clank: Rift Apart
Scripted enemies and setpieces only.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor: Frontline
Set-piece surprises fade after one run
Ratchet & Clank: Rift Apart
Unknown encounters on first run.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor: Frontline
Memorising spawns and routes trivialises missions
Ratchet & Clank: Rift Apart
Weapon leveling and bolt economy reward planned play.
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.