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Ursprünglicher Beitrag von: elvock ,


I think 'thermal throttling' occures when the GPU reaches 80°C resulting in lower fps (i did quite some testing now). I would like to improve the cooling capabilities as well and thought of this: The foot/stance of the imac is an external heat sink of some kind. The exhaust is venting the hot air directly onto it. Maybe one could add a fin/heat dissipation thingy with thermal glue to it. Right above the hole for the power cable. Then use a quiet fan.

Not sure hot to measure the success though. I guess a GPU temperature of 77° C with 300 less RPM on the main fan would be an improvement. It'd go from "noisy as !&&*" to "I can live with it".