A:Answer You are probably set on adaptive lighting, and that will change based on the lighting where you are. Since the IPhone 5s has 326 dpi, and the 6 plus has 401 dpi, and the Dell has between 220 and 240 dpi, your concern is an unfair, yet obvious conclusion. You might consider comparing the Samsung Tab S with your iPhone, and you'll start to complain about your iPhone.