Harry Potter- "Cinderella? What's that, an illness?"
vs.
Twilight- Filled with bad comparisons of Bella's situation to Shakespeare's works.

Harry Potter- If a HP fan decides to go to a Twilight movie dressed as Voldemort and yell "Kill the spare" at the screen, they will have the full support of the 5 million + Tumblr community.
vs.
Twilight- If a twilight fan decided to go to a HP movie dressed as Edward, they will look stupid.

Harry Potter- Contains a plethora of mythical creatures that we already knew of, but enhances and fleshed out to make them even more interesting.
vs.
Twilight- Vampires who sparkle and pedowolves.

Harry Potter- Mrs. Weasley, who kicks Bellatrix in the arse and sends Howlers.
vs.
Twilight- Renee who is such a bad mother her daughter is the 'mother figure' in their house.

Harry Potter- VOLDEMORT. DEATH EATERS.
vs.
Twilight- Some blonde guy who talks even posher than the Queen of England. No one talks like that, Meyer.

Harry Potter- Hermione falls unconscious after being tortured with the Cruciatus Curse.
vs.
Twilight- Bella faints after Edward breathes in her face.

Harry Potter- Colin Creevey stays and fights.
vs.
Twilight- Bella hides in the woods because she is a pathetic, useless human.

Harry Potter- Harry gives Fred and George money to start a jokeshop in these dark times.
vs.
Twilight- The Cullens have about five cars each and never where the same clothes twice.

Harry Potter- RPattz dies.
vs.
Twilight- RPattz lives.

Harry Potter- Be whisked away to a magical school in Scotland.
vs.
Twilight- Wake up to a 109-year-old watching you sleep.

DISCLAIMER- I got this from a chart on a website, you can find it at:

http://thesepticsquidetotwilight.com