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Why File Sizes are Sometimes Larger for 4k UltraHD vs 4k HDR?

S

Steve Bruzonsky

Well-known member
Credit to a poster over at AVS Forum for raising this question:

There are lots of movies that the UHD size is larger than the HDR version:

Some examples

National Lampoon's Vacation
4K HDR 50.4 GB
4K ULTRA HD 61.5 GB

Superman II
4K HDR 68.1 GB
4K ULTRA HD 77.0 GB

Training Day
4K HDR 64.2 GB
4K ULTRA HD 67.3 GB

The Last Picture Show
4K HDR 60.3 GB
4K ULTRA HD 72.0 GB

Run Lola Run
4K HDR 43.5 GB
4K ULTRA HD 54.3 GB
 
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