head to head
Tribes 2 asks more than Battlefield 4, and the gap is execution.

Execution · Competitive PvP
Combined-arms multiplayer shooter famous for map-altering levolution moments and 64-player conquest.

Execution · Pure Mechanics
Classic large-scale CTF shooter built on momentum physics and absurd projectile leads.
Battlefield 4 leans Execution (Competitive PvP); Tribes 2 leans Execution (Pure Mechanics).
Tribes 2 leans clearly harder on execution.
Battlefield 4
Gunplay, vehicle mastery, and movement under fire
Tribes 2
Skiing physics and disc-jumping aim define the skill ceiling
Tribes 2 leans a little harder on reads, though the gap is small.
Battlefield 4
Human teams adapt to flanks and levolution chokes
Tribes 2
Team PvP with adaptive human flag runners
Battlefield 4 leans a little harder on variance, though the gap is small.
Battlefield 4
Map-altering events and spawns inject noise
Tribes 2
Visible battlefield, deterministic physics
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield 4
Loadout tuning and objective rotation knowledge
Tribes 2
Base assets, vehicles, and route planning reward team strategy
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.