HD videos, but the video will be downscaled to fit the resolution of the TV. The video will not be displayed in true 4K quality. To play 4K videos on a 1080p TV, a 4K video player is required. The video player will resize the video to fit the resolution of the TV, but it will not be displayed in true 4K quality. To play 4K videos in true 4K quality, a 4K TV is required.
Also worth reading: How do I use NVIDIA RTX Video Super Resolution in ComfyUI to upscale AI-generated video to 4K? · What is the best AI video upscaling software in 2027 for converting old or low-resolution video to 4K? · What are some effective AI video resolution enhancement tips for improving video quality?