
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.

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.