head to head
War Thunder asks more than Company of Heroes 2, and the gap is variance.

Reads · Grand Arena
Cold-front sequel; same reads-heavy tactical RTS feel.

Execution · Grand Arena
Sim-leaning combined-arms vehicle PvP.
Company of Heroes 2 leans Reads (Grand Arena); War Thunder leans Execution (Grand Arena).
War Thunder leans a little harder on execution, though the gap is small.
Company of Heroes 2
squad micro under pressure
War Thunder
Aim, lead, and vehicle handling demanding
Company of Heroes 2 leans a little harder on reads, though the gap is small.
Company of Heroes 2
1v1 flanks and feints
War Thunder
Position-versus-position duels are reads
War Thunder leans clearly harder on variance.
Company of Heroes 2
true sight, fog, weather
War Thunder
Shell ballistics and matchmaking vary
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Company of Heroes 2
commander and build paths solved
War Thunder
Vehicle lineups and module unlocks deep
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.