system
A chat on subreddit /r/pcmasterrace
human
Laptops are designed to be very low power, you just set it to disable the screen and you're good to go.
gpt
Yea but that does low power mean? This is probably at least 10 years old and it still has more component than pi that need to be powered.

Edit: even at 30w, the electricity difference would be enough to buy a raspberry after 1-2 years where I live