Question: what is the difference between oled and 4k hdr?
Answer: Basically, 4K Ultra High Definition (UHD) just refers to a resolution of 3840 pixels × 2160 lines (8.3 megapixels, aspect ratio 16:9). OLED is a technology that can be used to create displays with different resolutions, and all of the latest LG OLED TVs offer 4K resolution.