These TVs display images in a resolution of 1920x1080 pixels, better known as Full HD. These images are sharper than HD ready images, but less sharp than those of a TV with 4K Ultra HD. Full HD is still the most widely used resolution for live television. Most movies and series on streaming services are available in Full HD and the original Blu-ray player also displays images in this resolution. Do you want the best quality? Choose a 4K TV. The 4K resolution is 4 times sharper than Full HD.