Dr. Rodney McKay
vs
Lt. Colonel Dr. Samantha Carter
ROUND ONE: PERSONALITY
Smarter. Wiser.

Advantage: DRAW!

Self-centered, arrogant, cynic, sardonic, coward, tactless, blunt, neurotic, but prone to occasional actions that make it seem as if there was still hope for him. Everybody hates him. Selfless, humble, optimist, funny, brave, tactful, polite, balanced, therefore prone to throwing her life on the line to save the world again and again. Everybody loves her.

Advantage: RODNEY! (Nobody likes a Mary-Sue)

ROUND TWO: ACCOMPLISHMENTS
Blew up a Solar System trying to build an infinite power-source. Blew up a Sun on purpose to destroy Apophis' fleet.

Advantage: SAM!

Saved his team about 20 times, and the entire Atlantis expedition about 10. His alternate self gave his life to save the expedition. Saved her team, the Universe, alternate realities and timelines countless times. Multiple alternate selfs of her gave their lives to save something or other.

Advantage: SAM!

ROUND THREE: PERSONAL FACTS
Has a regular love life. All the men that love her die at least once, suffer a horrible fate, or are at least put in mortal danger frequently.

Advantage: RODNEY!

Is fatally allergic to citrus. Has a very sensitive skin. Is mildly allergic to Rodney.

Advantage: SAM!

When under pressure, he can summon a mental image of Sam to help him do what he can't. When under pressure, she's screwed. There's nobody with her smart enough to help her.

Advantage: RODNEY!

NO WINNER: A DRAW!!