Here is a video comparison of the displays of Lumia 920 and iPhone 5 which are claimed to be the best displays on any smartphone. The comparison has been done by  . Lumia 920’s display provides really better and Blur-free gaming and video performance due to its higher refresh rate. It becomes evident when the camera capturing video, moves closer to both the devices playing the same scene and horizontal lines/Blur becomes evident on iPhone 5’s display during transitions.

Check the video below,