Klaus may be physically a bit stronger, but Elijah is more powerful. Vampirism enhances the human. Since Elijah was faster, stronger, etc, than Klaus as a human, so it is after their transition tho Vampires.
Although his brother Klaus might technically be stronger — Klaus is half vampire, half werewolf — Elijah is the most powerful. Other traits to note: He is level-headed.
Elijah is a somewhat better fighter when it comes to skill in hand to hand combat which is what gave him the advantage to stand toe-to-toe with Klaus during these fights for certain periods of time. Klaus is more raw power which is what he often uses to overwhelm Elijah and his other siblings.
Mikael. Mikael has proved many times that he's stronger than Klaus, and of course much more powerful than his other children.
Upgraded origins like Lucien can even be more powerful than Elijah. Marcel had super strength, incredible reflexes and also had certain telepathic powers.
With all of this in mind, it is important to note that Rebekah is the weakest Original Vampire, I wouldn't necessarily say because she's female, but for the sake of this argument, it's worth noting this, but at the end of the day she might have simply been the weakest child of Esther (strength-wise), and not because ...
Klaus Mikaelson
As the only Original Hybrid, Klaus has combines the raw powers of both Original vampires and werewolves to become the most formidable foe on the show.
As a vampire/werewolf hybrid, Klaus can only be killed by a witch. The sun and moon curse was fake – the real curse is that Klaus's werewolf side had been forced into dormancy by witches.
However, it is Lucien Castle's serum the flips the balance of power between Klaus - the most powerful Original due to his combined vampire and werewolf bloodlines and diabolical personality - and his long-time frenemy, Marcellus "Marcel" Gerard.
She became a tribrid, meaning she was a vampire, a werewolf, and a witch. She was one of a kind, and due to that was extremely powerful. Hope likely wouldn't have gone against her father, but if they had both lived long enough for Hope to grow into her powers, she would likely have become much stronger than him.
Season Two. Damon kills Elijah with a stake through his heart. When Damon tried to save Stefan from losing his head, he staked Elijah. Later, Elijah came back to life and pulled the stake out of himself.
As the Original Hybrid, Klaus is the strongest of the Original vampires due to his Werewolf heritage giving him additional powers and advantages his half-siblings do not possess, making him the most physically powerful immortal being in the world, second only to Marcel Gerard.
Super Strength: Natural for an Original Vampire, Elijah had a tremendous level of superhuman strength that allowed him to effortlessly overpower, severely harm and kill vampires, evolved werewolves and humans, dismembering, decapitating or extracting their hearts with ease.
Later, the original family, Klaus and his siblings were added to the plot. They required a daylight ring, just as other vampires, to exist in the sunlight.
Klaus Mikaelson is the strongest of the Originals. His powers are more advanced and potent than that of his Original siblings, including his step-father, because of his Werewolf side. Unlike hybrids and Werewolves, his venom works twice as fast which makes it more lethal than that of regular Wolf or Hybrid venom.
Hope is Legacies' strongest vampire type, a tribrid, and The Vampire Diaries' Mikael is the oldest and toughest Original Vampire Hunter, raising the question of who would win in a fight.
Out of all the depictions of vampires in popular culture, Count Dracula from Bram Stoker's novel, Dracula (1897), remains the most famous, even though the novel was but a moderate success in its own day.
Count Vlad Dracula Tepes is the progenitor of the entire vampire race and the king of all vampires. (Myths and Legends)
Lucien, who was a vampire of a 1,000 years before becoming an Upgraded Original vampire, demonstrated the greatest speed thus far of an any supernatural creature as he effortlessly evaded and dodged attacks thrown at him by Klaus.
Cover made by @July-is-Life Niklaus Mikaelson has a weakness that only his siblings know. That weakness is that Klaus still feels guilty about what happened to his beloved younger brother, Henrik Mikaelson. The male Mikaelson believes that it is his fault that a werewolf killed Henrik.
Esther is, along with Mikael, one of the two beings that Klaus truly feared; Klaus is only afraid of Esther, because she knows the Spell that turned him and his half-siblings into vampires, or in Klaus' case into a hybrid, and can turn them back into humans again, or in Klaus' case into a werewolf again; however, ...
BEST: Marcel Gerard
Though Klaus sees him as a son, his jealousy gets the best of him and forces Marcel to become an enemy. Without the love that exists between the two vampires, there couldn't be such a rich animosity. His ability to conspire against Klaus makes him a smart foe.
Freya Was the Best Mikaleson Sibling
Freya being the best Mikaelson sibling is a no-brainer. However, for additional arguments, here is Freya's backstory to refresh our minds and some valid points to prove what we all know. Esther was initially barren, which led her to strike a deal with her evil sister Dahlia.
Klaus even without “drawing on his Werewolf side” is more physically powerful than his siblings. Hell even before his curse was removed he was still more physically powerful than his siblings, cause untriggered werewolves are physically superior to normal humans.
Why is Klaus afraid of Kol? In season 3 of TVD, when the Mikealson family was undaggered, why was Klaus afraid of Kol? Well, he knows Kol can cause a lot of trouble like kill the Doppelgänger or just cause trouble in general.