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The specification indicates a resolution of 4096x2160, but the actual resolution is only 3840x2160?
There are two types of resolutions for 4K displays: one is 4096x2160, and the other is 3840x2160. You need to confirm which specification your display follows.
In the film industry, 4K (4096 x 2160 pixels) and consumer UHD (3840 x 2160 pixels) differ slightly in horizontal pixels. This is because traditional broadcast production maintains a 16:9 aspect ratio for videos, while the most commonly used aspect ratio in the film industry is 1.85:1. The 4096 x 2160 pixels resolution is closest to this ratio.
In the film industry, 4K (4096 x 2160 pixels) and consumer UHD (3840 x 2160 pixels) differ slightly in horizontal pixels. This is because traditional broadcast production maintains a 16:9 aspect ratio for videos, while the most commonly used aspect ratio in the film industry is 1.85:1. The 4096 x 2160 pixels resolution is closest to this ratio.