head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Competitive PvP
Cops-and-robbers spin on Battlefield built around heists, chases, and urban shootouts.

Execution · Competitive PvP
Vietnam-era large-scale multiplayer shooter mixing infantry firefights with helicopters and jungle ambushes.
Battlefield Hardline leans Execution (Competitive PvP); Battlefield Vietnam 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 Hardline
Close-quarters gunplay and high-speed vehicle chases
Battlefield Vietnam
Gunplay, vehicle handling, and helicopter piloting
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield Hardline
Cops-versus-criminals humans adapt heist tactics
Battlefield Vietnam
Human squads flank and contest objectives unpredictably
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield Hardline
Spawns and loot grabs shuffle engagements
Battlefield Vietnam
Spawn waves and vehicle availability shuffle fights
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Battlefield Hardline
Gadget loadouts and mode-specific route knowledge
Battlefield Vietnam
Map control, loadouts, and ticket-bleed knowledge
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.