Sentry wins high majority. The few feats we have of Sentry are good enough to put him over WW. He ripped off Attuma's head in half a second and owned Terrax almost as quick. Both of those characters would give WW a very hard time while Terrax possibly beats her.
The reason i mentioned those two feats is cuz to me they are the most impressive due to the speed at which he handled them. He didnt even break a sweat. Even though the whole Genis stalemate fight was pretty impressive. Breaking the Hulks bones is up there as well.