head to head
Borderlands 2 asks more than Genshin Impact, and the gap is variance.

Optimization · Systems & Chaos
Loot-shooter RPG built on gear chasing.
Optimization · Practiced Mastery
A co-op action RPG where artifact RNG and elemental build optimisation are the core long-term challenges.
Borderlands 2 leans Optimization (Systems & Chaos); Genshin Impact leans Optimization (Practiced Mastery).
Genshin Impact leans a little harder on execution, though the gap is small.
Borderlands 2
Aim matters but generous hit feel
Genshin Impact
Spiral Abyss time trials demand precise rotation and dodge timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Borderlands 2
Enemies are scripted loot fodder
Genshin Impact
PvE entirely; no human opponent to model
Borderlands 2 leans clearly harder on variance.
Borderlands 2
Procedurally generated weapon drops vary
Genshin Impact
Gacha banner pulls and artifact substats are high-variance systems
Borderlands 2 leans a little harder on optimization, though the gap is small.
Borderlands 2
Skill trees and gear math heavily solved
Genshin Impact
Elemental reaction builds and team compositions are exhaustively solved
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.