[Polyphonie]

The iPhone 6 Pius actually renders a screen resolution of 2208x1242 (which is then downsampled to the display 1920x1080 native resolution):

http://www.paintcodeapp.com/news/iphone-6-screens-demystifie...

[JohnTHaller]

It may report and draw 736x414 CSS pixels when drawing web content, but it's still only 1920x1080 real pixels and usable space.