head to head
Borderlands 3 asks more than S.T.A.L.K.E.R.: Shadow of Chernobyl, and the gap is optimization.

Optimization · Practiced Mastery
Refined loot shooter with skill-tree builds.

Optimization · Practiced Mastery
An atmospheric open-zone survival shooter set in the Chernobyl exclusion zone.
Borderlands 3 leans Optimization (Practiced Mastery); S.T.A.L.K.E.R.: Shadow of Chernobyl leans Optimization (Practiced Mastery).
Borderlands 3 leans a little harder on execution, though the gap is small.
Borderlands 3
Tighter gunplay than predecessors
S.T.A.L.K.E.R.: Shadow of Chernobyl
Ballistic gunplay punishes sloppy aim
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Borderlands 3
Enemies scripted, no adaptive opponent
S.T.A.L.K.E.R.: Shadow of Chernobyl
A-Life feels alive but doesn't model you
Borderlands 3 leans a little harder on variance, though the gap is small.
Borderlands 3
Weapon rolls and anointments randomize
S.T.A.L.K.E.R.: Shadow of Chernobyl
Anomalies, mutant spawns, and artifact RNG hide information
Borderlands 3 leans clearly harder on optimization.
Borderlands 3
Skill trees, anointments, gear math deep
S.T.A.L.K.E.R.: Shadow of Chernobyl
Artifact economy, routes, and stash knowledge converge
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.