head to head
Borderlands 3 asks more than System Shock 2, and the gap is variance.

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

Optimization · Pure Optimization
An immersive-sim RPG demanding intricate build optimisation and resource management aboard a hostile alien-infested starship.
Borderlands 3 leans Optimization (Practiced Mastery); System Shock 2 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.
Borderlands 3
Tighter gunplay than predecessors
System Shock 2
Weapon degradation and limited stats moderate the raw aim ceiling
Borderlands 3 leans a little harder on reads, though the gap is small.
Borderlands 3
Enemies scripted, no adaptive opponent
System Shock 2
All enemies are scripted with fixed patrol and attack routines
Borderlands 3 leans clearly harder on variance.
Borderlands 3
Weapon rolls and anointments randomize
System Shock 2
Random loot locations and psi powers introduce run-to-run variance
System Shock 2 leans a little harder on optimization, though the gap is small.
Borderlands 3
Skill trees, anointments, gear math deep
System Shock 2
Deep build tree and resource conservation define the entire skill ceiling
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.