The secret sauce isn't in the batteries themselves but the engineering of the entire drivetrain, the battery management system and so on.
Tesla is consistently in the top of EV drivetrain efficiency for their models, allowing them to go farther with less batteries, with the IONIQ being one of the few EVs that have been able to fight Tesla for the top spots.
https://ev-database.org/cheatsheet/energy-consumption-electr...