Mobiltelefon.ru has done extensive Display, Performance, Browsing and Video capture comparison between Nokia Flagship Lumia 920 and Samsung’s WP8 Flagship Ativ S. In terms of video capture quality Lumia 920 just beats Ativ S by a margin, while performance wise there is not noticeable difference and that is a win for Lumia 920, as it has to push more pixels than Samsung Ativ S every time. Display on Lumia 920 looks crisper and has better viewing angles it seems. Check the videos below,
[youtube=http://www.youtube.com/watch?v=ctedMZ6g34k&feature=player_detailpage]
[youtube=http://www.youtube.com/watch?v=4M-1_4uH43Q&feature=player_detailpage]