Retina display.
Clearly remarkable.

The sharpest, most vibrant thing you’ll see on iPhone 4S is everything. The Retina display is the highest-resolution phone screen ever. In fact, the pixel density is so high that the human eye is unable to distinguish individual pixels. But without a doubt, you’ll notice crisp text, sharp graphics, and stunning images. It’s more remarkable than the printed page. And you’ll be completely absorbed.
Learn more about the Retina display