Of the following 1080p video quality options, IMAX 1080p, X264, or Remux, the best option is IMAX 1080p.
IMAX 1080p offers a higher quality viewing experience compared to X264 and Remux. IMAX 1080p has a higher bitrate and a wider color gamut, which means it can display more colors and a wider range of colors than X264 and Remux. Additionally, IMAX 1080p has a higher frame rate, which means it can display more frames per second, resulting in a smoother and more detailed image.
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X264 and Remux, on the other hand, are both compression formats that are used to reduce the size of video files. X264 is a widely used compression format that offers a good balance between file size and quality, while Remux is a newer format that offers improved compression efficiency and better quality compared to X264. However, both X264 and Remux are not as good as IMAX 1080p in terms of overall video quality.
In summary, if you want the best 1080p video quality, IMAX 1080p is the way to go. It offers a higher bitrate, a wider color gamut, and a higher frame rate, resulting in a more detailed and smoother image compared to X264 and Remux.