Users are glaringly, obviously and super/unnaturally more intelligent than other beings in their universe because their mental capabilities and applications are pushed beyond the natural level; making them immensely smarter than regular beings (in that verse).
While the user is far smarter than those of Enhanced Intelligence, they are still susceptible to mistakes, though the difference here is that the mistakes they would commit are very few and far between.
At this level, one may begin to feel the inability to relate to others who do not share the same intellectual prowess.
May draw damaging amounts of energy/calories/sustenance from the body, causing various physical problems.
Jimmy Neutron (The Adventures of Jimmy Neutron: Boy Genius)
Anodites (Ben 10)
Cerebrocrustaceans (Ben 10)
Galvans (Ben 10)
Azmuth (Dimension 23)
Gutrot (Ben 10: Omniverse)
Velma Dinkley (Scooby-Doo)
Jonathan Rook/Stretch Monster (Stretch Armstrong and the Flex Fighters)
Jake Armstrong/Stretch (Stretch Armstrong and the Flex Fighters)
DeVoe's (Arrowverse) intelligence makes him a near-flawless planner, able to assess and account for the numerous variables, both natural events, and people's instinctual reaction, and from this effectively manipulate the situation to unfold as he sees fit.
The Doctor (Doctor Who)
John Kramer (Saw series)
While he was born with a disease that made his bones very fragile, Elijah Price (Unbreakable) makes up for it by possessing an extremely high IQ as he was able to formulate numerous disasters at a chance to expose people who survive in the said disasters to have superpowers.