It's a comparaison between BlackBerry Z3 and other Motorola budget phones and Blackberry wins in both power and battery while one motorolla wins in display with 326ppi (z3's 220) very fair review (finally)
not sure how the Z3 wins in power but it does have the biggest display and battery and a little more RAM. The price difference is pretty big between the Moto g and Z3 at the G being $40 cheaper.