Higher FPS drains battery faster and heats faster?

[Big Boar]

Hello people. I just want to confirm. If a heavy game set in highest settings that gives 60+ FPS, would that drain battery faster than lower FPS?
then does that mean flagships drain battery faster than midrange in max settings heavy gaming?
And does steady 60 FPS in flagship heats faster than midrange too?
I read that when playing a heavy game in max settings on midrange phones, it will drop below 60 fps, what is the lowest FPS that you will notice that does not look like 60 fps smooth? Is it 30? Thank you!

 

[Hadron]

Running the same hardware at a higher FPS will use more power, because the phone is having to do more calculations per second.
For the same reason running the same FPS but higher resolution in the same phone will use more power.

"Flagship" vs "midrange" is too broad for the question to be answered. Different flagships have different screen resolutions, as do different midrangers. Different display panels will use different amounts of power at the same refresh rate and same brightness. Different SoCs vary in the amount of power they use to do the same amount of computation. So different midrangers will use different amounts of power, different flagships will use different amounts of power, different people using the same phone will use different amounts of power (because e.g. they'll choose different brightness settings). There will be a range for both flagships and midrangers, and I expect the ranges overlap.

Different people have different sensitivities to frame rates, so I don't think there is a single correct answer to that last question.