You can see an example above of what an HDR image looks like compared to an SDR image on the same TV. In the case of TVs, SDR is a specific set power, while HDR is a set goal. For example, with SDR, a car would be ordered to apply "full throttle" or "50% throttle." Instead, the HDR car would be asked to "go to 120 mph" and "go to 40 mph." Some vehicles would provide a worse experience than others working towards this task, and most might not even succeed. The source tells the TV what exact color to display at which exact brightness level, whereas SDR is limited to a range of brightness and colors. HDR signals send metadata to your TV, which is a list of instructions for the TV to display content properly. HDR (High Dynamic Range), as the name suggests, introduces a wider range of colors and brightness levels compared to SDR (Standard Dynamic Range) signals.
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