¿Who is stronger, Gomah or Onslaught?

Gomah is the primary antagonist in "Dragon Ball Daima," the latest series in the Dragon Ball universe. After Dabra's death during the Majin Buu saga, Gomah ascends as the new Supreme Demon King of the Demon Realm. Despite his small stature and white skin, he wields formidable magical abilities. Gomah's most notable power stems from the "Third Evil Eye," an artifact that, when placed on his forehead, transforms him into a larger, more muscular form, significantly amplifying his strength and magical prowess. This transformation renders him a formidable adversary, challenging even the most powerful warriors

Onslaught is a comic book character created by Marvel Comics and is known to be one of the publisher's most powerful and feared villains. He is a cosmic being created by merging the minds of Charles Xavier and Magneto, two of Earth's most powerful mutants. Onslaught has a number of supernatural powers, including the ability to manipulate people's minds and behaviour, superhuman strength and the ability to manipulate magnetism. He is also virtually indestructible, making him a formidable foe for any hero who confronts him.