2K screen resolution Chinese manufacturer Vivo has launched the world's first smartphone with 2K (2560x1440p) resolution, named Xplay 3S. This phone's screen has more pixels than the current crop of 1080p displays, making text, videos, images etc clearer and sharper. The new Vivo Xplay 3S's 6-inch display has pixel density of 490ppi, which is higher than the 469ppi (the highest pixel density before this launch) of HTC One.