I wasn't being clear there -- I didn't (and wouldn't) buy two iPhones. I was just opining about how Air 2's power adds some additional differentiation from the iPhone line that didn't exist previously. Many people will just buy a phablet and skip the tablet, so Apple's answer seems to (finally) be to take advantage of the larger form factor of the iPad and give it a higher TDP SoC.
iPad Air was a disappointment to me (and I skipped it) because it had the same internals as the tiny iPhone 5S save for a negligible 7% bump in clock speed, and used the same GPU as 5S to power a much more pixel-dense display. Oh, and they didn't laminate the display to the glass on Air 1, which was just absurd for a 2013 tablet.
Ok, I see what your talking about now. Yea it makes sense for Apple to start beefing up the iPad Air to further differentiate the two classes of products. Speaking of spec differences, I'm also hoping we can get a 256GB model for the Air soon as well to keep leg up on the iPhone in terms of storage.