system
Given the following post, respond as if you're commenting on Reddit:
human
Would playing a black & white video use less battery power on my phone than an identical color one of equal resolution?
gpt
It would not really make a difference, since the amount of light displayed would average to the same, and that's the biggest battery drainer in a modern cellphone. It would be little lighter on the hardware (SoC and storage) though, but not by very much.