head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Pure Optimization
Roman city builder about zoning, supply chains and keeping plebs and patricians content.

Optimization · Pure Optimization
A studio-management economy puzzle dressed up as Hollywood moviemaking.
Caesar IV leans Optimization (Pure Optimization); The Movies 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.
Caesar IV
Pause-friendly mouse management; no dexterity ceiling.
The Movies
Menu and drag management, no dexterity test
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Caesar IV
Invasions and gods are scripted, never adaptive.
The Movies
No adaptive rival studios to outwit
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Caesar IV
Fires, plagues and barbarian timing add mild unknowns.
The Movies
Star moods and script rolls add light randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Caesar IV
Housing blocks, walker logistics and supply chains are solvable.
The Movies
Studio economy, staffing and timing are the solvable core
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.