[WrkInProgress]

I'd argue that they aren't "so much further" ahead of almost everyone of the dimensions you listed with the exception of:

1.) potentially performance (as I'm not familiar with the true technical benchmarks of something like the A9 chip vs the latst Snapdragon, Exynos, etc)

2.) Apps - only if you include true "tablet" apps as well, as Android has done a terrible job with their tablet apps (basically glorified phone apps for the most part).