head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Competitive PvP
Vietnam-era large-scale multiplayer shooter mixing infantry firefights with helicopters and jungle ambushes.

Execution · Competitive PvP
Frantic small-arena duels testing reflexes and prediction of human opponents.
Battlefield Vietnam leans Execution (Competitive PvP); Superfighters Deluxe leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield Vietnam
Gunplay, vehicle handling, and helicopter piloting
Superfighters Deluxe
Aim, blocks, throws and movement decide frantic small-arena fights
Superfighters Deluxe leans a little harder on reads, though the gap is small.
Battlefield Vietnam
Human squads flank and contest objectives unpredictably
Superfighters Deluxe
Human opponents constantly adapt positioning and weapon timing
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield Vietnam
Spawn waves and vehicle availability shuffle fights
Superfighters Deluxe
Random weapon spawns and destructible chaos shuffle fights
Battlefield Vietnam leans a little harder on optimization, though the gap is small.
Battlefield Vietnam
Map control, loadouts, and ticket-bleed knowledge
Superfighters Deluxe
Map knowledge and weapon priorities are a thin layer
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.