Samsung 2021 Mini LED TV (Image credit: Samsung) Mini LED vs OLED: brightness As we’ll see, peak brightness won’t be a problem for Mini LED, but entirely eradicated artefacts like bright halos around dark objects won’t be possible either. And that means Mini LED’s HDR performance will be compromised. At least not with any Mini LED implementation that has so far been revealed. In other words, precision lighting for very detailed objects still won’t be possible with Mini LED. On a Mini LED set, it’s not even close: in a 4K panel with around 3,000 lighting zones, each backlight zone would actually drive around 2,700 pixels. Imagine the whole screen entirely black, save for a single pixel out of eight million in pure, bright white – because that’s totally doable on an OLED. By comparison, the per-pixel lighting of OLED means that a 4K set effectively has over eight million zones. That’s a big improvement on existing LCD TVs, but it still implies comparatively low resolution control over lighting and contrast. Upcoming Mini LED TVs are expected to have as many as 3,000 lighting zones. While Mini LED is intended to dramatically improve backlighting control in LCD TVs, it works a little bit differently to OLED. OLED is a self-emissive technology, which means each pixel is its own light source, enabling total control over brightness and contrast. OLED’s core advantage is its per-pixel lighting. We’ll find out whether Mini LED comes out on top for brightness, contrast, HDR performance and response. Below we’ll explore the key differences between Mini LED vs OLED.
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