head to head
PUBG Mobile asks more than Overwatch, and the gap is variance.

Execution · Grand Arena
Team hero shooter blending FPS mechanics with ability economy mind games.

Execution · Grand Arena
Battle royale survival blending aim, rotation planning, and heavy circle-and-loot RNG.
Overwatch leans Execution (Grand Arena); PUBG Mobile leans Execution (Grand Arena).
Overwatch leans a little harder on execution, though the gap is small.
Overwatch
Hero aim, movement, and ability timing
PUBG Mobile
Touchscreen aim and recoil control set the ceiling
Overwatch leans a little harder on reads, though the gap is small.
Overwatch
Ult tracking, flanks, and baiting human teams
PUBG Mobile
Outguessing rotations and third-party timing of human squads
PUBG Mobile leans clearly harder on variance.
Overwatch
Minor spread and matchmaking noise
PUBG Mobile
Circle placement, loot and drop locations dominate single matches
Overwatch leans a little harder on optimization, though the gap is small.
Overwatch
Team comps, ult economy, and positioning theory
PUBG Mobile
Zone rotation theory and loadout priorities are well mapped
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.