If you can't beat them join them. Then beat them. That seems to be Apple's response to the proliferation of large-screen Android and Windows Phone handsets. After years of holding out as the only important phone manufacturer without a phablet, Apple has gone all in with a smartphone/tablet...
iPhone 6 Plus has great specs and build quality; Like a smaller more connected iPad
Galaxy Note 4 has more raw power; Samsung's phone has better display specs