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
Lara raids Siberian tombs in a stealth-action adventure heavy on puzzles.

Optimization · Practiced Mastery
A 1998 action shooter with branching missions and interactive levels.
Rise of the Tomb Raider leans Optimization (Practiced Mastery); SiN 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.
Rise of the Tomb Raider
Bow aim, stealth timing, and platforming sequences.
SiN
Quake II-era gunplay and reflexes
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Rise of the Tomb Raider
Guards follow predictable patrol scripts.
SiN
Enemy AI is fully scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Rise of the Tomb Raider
Tomb unknowns dissolve after one visit.
SiN
Branching mission outcomes surprise once
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Rise of the Tomb Raider
Tomb puzzles, crafting, and collectible routing are solvable.
SiN
Routes and mission interactions reward 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.