Usually we are difficult to make a decision when we plan to buy a product, and the most way to use is ask for others that which you think is the best one or which one you will choose? In fact, there is hard to see which one is better than the other for both of them with their own characters. You can just choose the one according to your real demands from all the aspects. If there best to have the answer, and from my requests that i think the Alldocube Power M3 is better for i can use it as a mobile when there is the problem for my phone. You can look the detail information at here:

Alldocube Power M3