head to head
DOOM (2016) asks more than Soldier of Fortune: Payback, and the gap is execution.

Execution · Pure Mechanics
Push-forward arena FPS where movement and aim are the whole game.

Execution · Pure Mechanics
A gory budget FPS testing twitch aim through linear scripted firefights.
DOOM (2016) leans Execution (Pure Mechanics); Soldier of Fortune: Payback leans Execution (Pure Mechanics).
DOOM (2016) leans clearly harder on execution.
DOOM (2016)
Aim, movement, glory-kill timing all peak.
Soldier of Fortune: Payback
Twitch gunfights against aggressive AI are the core
Soldier of Fortune: Payback leans a little harder on reads, though the gap is small.
DOOM (2016)
Demons scripted attack patterns.
Soldier of Fortune: Payback
Multiplayer existed but campaign AI never adapts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
DOOM (2016)
Minimal encounter randomness.
Soldier of Fortune: Payback
Linear levels hold few surprises
DOOM (2016) leans clearly harder on optimization.
DOOM (2016)
Rune and weapon mod picks meaningful.
Soldier of Fortune: Payback
Loadout picks add only a thin layer
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.