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

Variance · Systems & Chaos
Managing a manual-aim shooting layer on top of XCOM-style strategic campaign optimization.

Optimization · Systems & Chaos
Managing RNG-driven combat while solving the underlying base economy and research tree.
Phoenix Point leans Variance (Systems & Chaos); XCOM: Enemy Unknown leans Optimization (Systems & Chaos).
Phoenix Point leans a little harder on execution, though the gap is small.
Phoenix Point
Manual aiming system introduces real accuracy input on every shot
XCOM: Enemy Unknown
Turn-based; no twitch inputs; cover placement has mild precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Phoenix Point
Alien factions evolve threat pools but not adaptively against you personally
XCOM: Enemy Unknown
Aliens follow scripted AI, never model your specific habits
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Phoenix Point
Body-part hit location and mutation pools drive heavy RNG swings
XCOM: Enemy Unknown
Hit chances, crit rolls, and mission spawns create constant RNG swings
XCOM: Enemy Unknown leans a little harder on optimization, though the gap is small.
Phoenix Point
Research priority, vehicle builds, and faction balance are deeply optimizable
XCOM: Enemy Unknown
Squad composition, research order, and base economy are solvable
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.