Except half your list is not accurate.<p>High resolution displays were around long before the iPhone 4 moved from their standard resolution. &quot;Retina&quot; is a branded term for a high resolution display from Apple. And in the current phone space, the iPhone 6S Plus lags quite a bit behind in terms of PPI and actual native resolution.<p>Similar arguments can be made for fingerprint scanning, personal assistant, 5 Ghz wifi and the waterproofing.