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http://img18.imageshack.us/img18/1058/1420987dormammusuper.jpg

vs

http://img577.imageshack.us/img577/3074/17997575981hyperstormla.jpg

Hyperstorm has next to no feats. Dormy stomps.

Hyper would do better if he had more feats than being considered an "immense" power source by Galactus. Not that being considered something that would keep Galactus fed for a long time is a weak showing as it's still more than several solar systems worth of planets energy feeding for Galactus. But yeah Dormammu in a stomp.