head to head
Battle Realms asks more than Red Dead Redemption 2, and the gap is reads.

Optimization · Practiced Mastery
A cult RTS where peasants transform into warriors and micro decides skirmishes.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Battle Realms leans Optimization (Practiced Mastery); Red Dead Redemption 2 leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Battle Realms
Real-time micro of small squads matters.
Red Dead Redemption 2
Gunplay and Dead Eye reward aim and timing.
Battle Realms leans clearly harder on reads.
Battle Realms
Human opponents adapt builds and harassment.
Red Dead Redemption 2
Enemies use scripted AI patterns, not adaptation.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Battle Realms
Minor map randomness.
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Battle Realms leans clearly harder on optimization.
Battle Realms
Peasant economy and unit upgrades solvable.
Red Dead Redemption 2
Loadouts and routes solvable but loose.
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.