head to head
Foxhole asks more than Hearts of Iron IV, and the gap is reads.

Optimization · Mind & Math
Persistent MMO war of logistics and strategy.

Optimization · Pure Optimization
WWII grand strategy: templates, production, and focus paths.
Foxhole leans Optimization (Mind & Math); Hearts of Iron IV leans Optimization (Pure Optimization).
Foxhole leans a little harder on execution, though the gap is small.
Foxhole
Top-down combat is forgiving mechanically
Hearts of Iron IV
pausable, micromanagement-heavy
Foxhole leans clearly harder on reads.
Foxhole
War-long strategy versus humans is reads
Hearts of Iron IV
PvP partly, mostly scripted AI
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Foxhole
Logistics outages and front shifts vary
Hearts of Iron IV
focus tree branches, events
Hearts of Iron IV leans a little harder on optimization, though the gap is small.
Foxhole
Logistics chains and base building solvable
Hearts of Iron IV
division templates and production 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.