Question Very confused by Asus Tuf fan modes, please help?

Jul 27, 2020
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I recently bought an Asus Tuf FX505 gaming laptop, and it has 3 togglable fan modes: silent, performance and turbo.

However, it seems to be working counter-intuitively, as on silent mode the fan is audibly slower but temperature of CPU/GPU also remain low and less heat comes out the back... And on turbo, the fan becomes loud and CPU/GPU temps increase to as much as 85-95℃ and 75-84℃ respectively.

Why does this happen? Which mode should I run games on to not damage my laptop?