head to head
Command & Conquer: Renegade asks more than Outlaw, and the gap is optimization.

Execution · Practiced Mastery
FPS aim welded to a team economy of base-destruction priorities.

Execution · Pure Mechanics
An early top-down shootout game testing precise aim against a human opponent.
Command & Conquer: Renegade leans Execution (Practiced Mastery); Outlaw leans Execution (Pure Mechanics).
Outlaw leans a little harder on execution, though the gap is small.
Command & Conquer: Renegade
FPS aim in infantry and vehicle fights carries the game
Outlaw
precise aiming and movement in duels
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Command & Conquer: Renegade
Multiplayer base assaults involve predicting human team pushes
Outlaw
human opponents adapt dueling tactics
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Command & Conquer: Renegade
Maps and economy rules are fully known
Outlaw
minimal randomness in shootouts
Command & Conquer: Renegade leans clearly harder on optimization.
Command & Conquer: Renegade
Credit economy and building-target priority decide C&C-mode matches
Outlaw
minimal system depth
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.