Wireless charging vs. wired charging vs. 'Fast Charging': How do they compare in efficiency?

You're not really wasting a lot of energy with any phone charging method. But some are more efficient than others, and phone manufacturers are working on ways to make the more convenient methods like fast charging and wireless charging even less wasteful.

source https://www.androidcentral.com/wireless-charging-vs-wired-charging-vs-fast-charging-what-does-actually-mean-efficiency-perspective