The WDR function optimizes video quality with wider light range and image details. This is a huge difference, and it shows. HD = 1280×720 pixels (0.92 million pixels); Full HD = 1920×1080 (2.07 million pixels) = 2.25 x HD pixel count 4K UHD = 2880×2160 (6.22 million pixels) = 3 x Full HD or 4.5 x HD pixel count.
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