Oh u mean as in the show itself rather than the actual actors? Frankly I think part 2 is probably 99% fiction. I think supposedly they are on par if not for Hung's sickness. In any case the essence of part 2 is saying it is not about winning. 20 years down the road they would be easily defeated.
IMHO I find it unbelievable that when Ip Man could defeat scores of man in part 1 he can't fight against a boxer that doesn't uses his legs.