I always viewed dark beast as smarter while beast was more athletic.
__________________ Quotes from Hia8:
"I claimed that the science is sometimes faulty."
"You don't understand. This is fiction. That means none of this stuff really happened."
"There is no writer to purposely ignore a character's natural ability just because it suits the story."
"in some cases because the writer knows that Character A will dominate Character B easily and refuses to allow this to happen for the sake of the story."
DB alsways seemed more cunning and obviously alot more evil but not really a fighter. He one of those guys that runs away near the end of a plot or something.
More ruthless than beast but I wouldn't call him the better fighter or scientist. More along the lines he's just willing to go places where Beast won't scientifically and in a fight