Recent discussions in smartphone technology have shifted focus from megapixels to screen brightness, with manufacturers now promoting peak brightness levels reaching up to 6,000 nits. While this figure sounds impressive, it often serves more as a marketing tactic than a practical feature for everyday use.
Typically, full-screen brightness for modern devices peaks around 1,000 to 1,600 nits, especially under conditions like sunlight. The extreme brightness numbers are achieved only when a limited number of pixels are activated, particularly during HDR content playback. This practice allows brands to highlight these high values on packaging and advertisements.
However, operating OLED screens at such high levels presents significant risks. Sustained brightness at 6,000 nits can lead to overheating, damaging the screen over time, similar to pushing a car engine to its limits. Additionally, maintaining this brightness level would rapidly drain a smartphone's battery, making it impractical for regular use.