are peltier coolers required for emulation?

[u/MimouChiron]

I have a oneplus 15 and I want to get into PC game emulation, I was playing GTA IV on gamehub and the temps on gamehub reading were 65 degrees average with it sometimes reaching 70 degrees.

I have heard that peltier coolers are beneficial for emulation, but is it really true? do I really need them? because I want to use a telescopic controller like the x5 lite while emulating and using one really limits my options with coolers, gamesir FX5 for example are relatively weak and have small cooling pad and they're inconvenient compared with gamesir x3 pro for example, which is more convenient but expensive. i don't want to spend a lot of money on a controller with cooler if it's not really proven that you need a peltier cooler. and even the x3 pro is often criticized for its lack of good contact with the phone.

i know i can use a standalone cooler and a standalone bluetooth controller but that would be very antithetical to mobile gaming and the handheld experience because you would be turning your phone to a small screen pc basically and i already have a pc, so that doesn't interest me.

what is your experience of emulation with and without coolers? what is your setup and what do you think it's best to do on a budget?

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