Who are more powerful, Chaos emeralds (Sonic) or pure hearts

Ultra Sonic vs Chaos Knuckles

Chaos Emerald, Sonic X Wikia

Shadow vs Knuckles

Chaos Emerald, Sonic Wiki Zone

Since Blaze is the sonic counterpart of her world, should sonic be able to use the Soul gems like they were Chaos Emeralds? : r/SonicTheHedgehog

What Every Chaos Emerald Ability Is And How To Use Them In Sonic Superstars

how come trip can use the chaos emeralds to turn into a dragon.but sonic has a special connection to them : r/SonicTheHedgehog

Chaos Emerald (Sonic X), Sonic Wiki Zone

Who are more powerful, Chaos emeralds (Sonic) or pure hearts (Mario)? - Quora

Would you rather see dark sonic or hyper sonic appear in the movies? : r/SonicTheMovie

Sonic Prime voice cast & characters - Dexerto