i think there was made another thread about this.
i think the gatheres are faster, but not enough to make it woth while to upgrade them.
it was a completely insane upgrade cost of something like 2-300 food and 50-100 gold or something for 1 vil - maybe also some favor.
but i dont have the xpack yet so i cant tell you if this is true or not
Smile to the world, it will think you are up to something
ESO playstyle: casual
ESO Name: MeToAgain, and 2 other names which im not telling you about:P