Question: what is the difference between hd and ultra hd?
Answer: Both Full HD and 4K UHD represent the resolution of a display. The term resolution is considered as the pixel count in ditigal imaging. Full HD resolution means there are true 1920 pixels in width and 1080 pixels in height. ... 4K UHD refers to a horizontal screen display or image resolution in the order of 4,000 pixels.