head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Optimization · Pure Optimization
A turn-based RPG where relic substat variance and speed-tuned team optimisation define endgame performance.

Optimization · Pure Optimization
An original RPG system where engagement optimization and passive-stacking theory dominate hard-mode encounters.
Honkai: Star Rail leans Optimization (Pure Optimization); Pillars of Eternity leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Honkai: Star Rail
Turn-based; physical input precision is essentially irrelevant
Pillars of Eternity
Real-time-with-pause removes all twitch pressure from the player
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Honkai: Star Rail
PvE only with scripted enemy behaviour throughout
Pillars of Eternity
All AI opponents use fixed scripted behaviour trees
Honkai: Star Rail leans a little harder on variance, though the gap is small.
Honkai: Star Rail
Relic substat RNG and gacha pulls drive character progression
Pillars of Eternity
Hidden enemy immunities and ability distributions require investigation
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Honkai: Star Rail
Speed tuning, team cycle theory, and buff windows are deeply solvable
Pillars of Eternity
Per-encounter ability management and passive stacking define trial-of-iron mastery
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.