¿Who is stronger, Power Girl or Superboy?

Power Girl, also known as Kara Zor-L, is a powerful superhero from the DC Universe. She is a member of the Justice Society of America and is one of the most formidable and respected heroes in the DC Universe. Power Girl's story begins on the planet Krypton, where she was born as the cousin of Superman. Like Superman, Power Girl possesses a number of superhuman abilities, including strength, speed, agility, durability, and the ability to fly. Unlike Superman, however, Power Girl's powers are not derived from the sun, but rather from a natural genetic mutation. As a result, her powers are not limited by the presence of a yellow sun, and she is able to use her powers to their full extent at all times. In addition to her physical powers, Power Girl also possesses a number of mental abilities, including telepathy and telekinesis. She is also able to manipulate energy and matter, allowing her to create powerful energy blasts and even reshape the environment around her. Throughout her long and storied career, Power Girl has faced many challenges and fought against a wide range of villains, including Lex Luthor, Brainiac, and the Joker. Despite these challenges, she has always emerged victorious, making her one of the most respected and admired heroes in the DC Universe.

Superboy, also known as Kon-El, is a powerful superhero from the DC Universe, first appearing in the DC Comics series "Adventures of Superman" in 1993. He is a clone of Superman and is one of the most powerful and respected heroes in the DC Universe. Superboy's story begins with Project Cadmus, a secret government organization that is attempting to clone Superman. After many failed attempts, they finally succeed in creating a clone of Superman, who they name Kon-El. As a result of his cloning process, Superboy possesses a number of superhuman abilities, including strength, speed, agility, and durability. He also has the ability to fly, and is immune to all forms of injury and disease. In addition to his physical powers, Superboy also possesses a number of mental abilities, including telepathy and telekinesis. He is also able to manipulate energy and matter, allowing him to create powerful energy blasts and even reshape the environment around him. Throughout his long and storied career, Superboy has faced many challenges and fought against a wide range of villains, including Lex Luthor, Brainiac, and the Joker. Despite these challenges, he has always emerged victorious, making him one of the most respected and admired heroes in the DC Universe.