I don't really see the difference when using either in the stock mail client.
However, I've noticed that when I scroll to the bottom of my emails on my Gmail account on the stock app, it gives me the option to "download more". so I can see older stuff. Hotmail doesn't do that.
However, I've noticed that when I scroll to the bottom of my emails on my Gmail account on the stock app, it gives me the option to "download more". so I can see older stuff. Hotmail doesn't do that.