Ratio of Resolution
• Standard Definition Resolution 720x576 point
• High Definition Resolution 1280x720 point
• Full High Definition Resolution 1920x1080 point or 2 Megapixel
• Ultra High Definition 4K Resolution 4096x2160 point or 8 Megapixel
• Ultra High Definition 8K Resolution 7680x4320 point or 33 Megapixel
Resolution of SD & HD & UHD
The 4K Upscale has some TVs with Full HD clarity. The contrast and detail are enhanced. The noise is reduced to make the image out of sharp contrast to 4K, then advertise that 4K is the same.
The sharpness of the video signal has evolved from SD to HD to Full HD to UHD 4K and UHD 8K and in some countries. It produces a 12k contrast list.