QUOTE(bennedict82 @ Feb 9 2021, 09:24 AM)
You got the point. But I do believe if Exynos CPU temperature hit 56deg celcius, common sense tells the device body temperature will not stay 37-38 even cooler than SD. The heat dissipates thru whole body of phone and will feel hot. So I believe antutu reported wrongly about exynos CPU temp.
That is possible actually, the heat output was too small hence the heat did not get transfer much to the body of the phone just yet. If you repeat the test and the heat pipe of the smartphone gets overloaded, then the heat will be forced to escape to the body of your phone. It just means that the heat pipe is doing its excellent job here, it only fails or cannot do properly when heat produce more than the heat pipe can handle, this is where the phone's body will start to heat up. To offset this heat, people install fan so that heat will not trap in the smartphone for too long and accumulate in a heat pipe.An example I can give you. Imagine you cook noodle soup with a pot. The pot definitely will be too hot for you to handle and you cannot touch it else you risk burning your hand. But once you submerged the pot into water, the pot will be cool down instantly and yet the water do not feel too hot to touch, just warm at most. I'm not sure how hot is the metal but it could be more than 100°C but when the heat transfer to water it is just maybe 40°C.
This is because when heat accumulate in a small area, it has high temperature, but when you disperse into larger area, the temperature will be lower. This is what we call heat capacity. So the heat pipe in smartphone also has its heat capacity tolerance level before it gets overloaded.
Feb 9 2021, 09:54 AM

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