Standard HD is 1920×1080 pixels. 4K (2160p) quadruples that to 3840×2160. For Chernobyl , this extra detail is critical:
This stands for . If resolution is the sharpness, HDR is the contrast. It allows the file to display brighter brights and darker darks simultaneously. The glowing graphite on the roof of the reactor, the blinding lights of the control room, and the pitch-black streets of Pripyat are rendered with a realism that standard screens cannot replicate. It is the "realism" layer of the digital story. chernobyls012160puhdblurayx26510bithdrmem
: High Dynamic Range. This provides deeper blacks and more realistic highlights, making the glow of the reactor core and the gloom of the Soviet interiors much more immersive. Standard HD is 1920×1080 pixels