Saw some ridiculous crap that pit Wonder Woman against She-Hulk, She-Hulk won! which is not gonna happen cause Diana is so strong she can trade punches with Superman(and has!)Jen has a definite limit, unless she loses control and crosses over to true Hulk level which has happened to her in the past, but she loses her intelligence when that happens!
I like both of the New 52 versions of these two. Yeah, lots of people complain that Supergirl's costume would hurt her inner thighs with those crotch corners, but the design's still pretty original/imaginative(not to mention visually striking,) and it's done justice here.