Both the X70 and S5 use the Intel Z520 processor which requires hardware acceleration in order to play 720p and 1080p video. Not to give the user hassle and any difficulty to set up, viliv develop the video player for easy experience to user. Viliv has designed the Viliv Player and licensed the coded to play 720p video in the MKV format without any additional configuration. Viliv Player is generally well built in-house software to play the 720p like video clip and most of files in Internet. viliv video player is handling the several different video encoding on 720p (H.264/MKV Format and many format like) very well without complex user setting the video player. If you wish to play files in other formats that do not work with hardware acceleration, a 3rd party media player is required. If you are a skillful user and do not mind changing a few settings, KMPlayer can be configured to play most video formats in 720p or 1080p.