this post was submitted on 24 Jan 2025
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More interestingly, lamps in video games use the same amount of real electricity if they are on or off.
Not necessarily, on OLED displays (which are definitely a thing for desktop computers and TVs) a light that's turned off is using less power because the pixels the lamp is displayed on (and the ones around it too) are dimmer.
And traditional LCDs with a backlight use more power for darkness. The LCD is transparent by default and turns opaque/black when a voltage is applied.