Because of the massive bitrates (often exceeding 60-80 Mbps), playing these files requires significant hardware power. MakeMKV forums
The 2160p resolution provides a level of detail and clarity that is simply stunning, with every frame of the movie rendered in exquisite detail. The HDR (High Dynamic Range) support adds to the visual impact, offering a wider color gamut and increased contrast ratio that makes the movie's visuals pop. avengersinfinitywar20182160pblurayremuxh link
The 4K version utilizes High Dynamic Range (HDR). This enhances the contrast between the glowing Infinity Stones and the dark reaches of space, providing a wider color gamut that makes the alien landscapes of Titan and Vormir feel more immersive. Because of the massive bitrates (often exceeding 60-80