The rumors are that a 10.5 iPad Pro would have a A10X and the rumored 12.9 would have an A11 However, if this were to be true, the A11 is reported as delayed because of 10nm manufacturing problems. Is the 10X also supposed to be a 10nm process and would it delay it? Finally, in looking at old rumors, there is a lot of talk of a touch bar on an iPad Pro. Perhaps they are thinking of something that would be in iOS11. A context aware software bar or something? Perhaps there will be a 10X processor, but on the older 16nm process. Otherwise, I don't think we'll see an update to either iPad Pro models before the fall. Speculation encouraged!