Yes, Siracha is right, generally speaking it has more to do with personalities than gender. One exception is if both are hormonal at once they may bicker more, but that doesn’t necessarily change their friendship if they already get along. Here’s this link that may help:
Although it is not their fault that they have heard these things, people sometimes believe certain things about their female budgies because of the amount of myths perpetuated by other websites, pet stores, etc. that female budgies somehow make lesser pets than males. This is completely untrue...