DisplayHDR 400 vs 600 vs 1000: The Contrast Ratio Math
DisplayHDR 400 requires no local dimming and allows a black level of 0.4 nits. Divide the certified numbers and the guaranteed floor is just 1,000:1 — while True Black 400 reaches 800,000:1.
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#HDR 3 posts
Dolby Vision vs HDR10: 12-Bit and Dynamic Metadata Explained
Dolby Vision carries up to 12-bit depth with per-scene dynamic metadata; HDR10 uses 10-bit with a single fixed value for the whole title. In displayable colours that is 68.7 billion against 1.07 billion — 64 times apart.
DisplayHDR 400 vs 600 vs 1000: What Each VESA Tier Actually Requires
DisplayHDR 400 does not require local dimming at all. Run the VESA certification numbers tier by tier and the real dividing line between 400, 600 and 1000 is not peak brightness — it is the black level.