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Samsung engineers explain the Galaxy S7 and Galaxy S7 edge cooling system

The Galaxy S7 and Galaxy S7 edge aren’t the first smartphones to feature a liquid-based cooling solution, but Samsung’s latest flagships do carry out the cooling procedure in the smallest such setup seen on a mobile device. That’s just one interesting nugget the company’s engineers have shared in Samsung’s latest post about what makes the Galaxy S7 and Galaxy S7 edge so special.

Samsung highlighted the thermal cooling solution on the S7 lineup at the devices’ announcement, and it is now sharing what makes the solution stand out. The heat pipe on the S7 and S7 edge is only 0.4 mm in diameter, making it the smallest yet on a smartphone. The heat pipe – or the thermal spreader – “uses changes in the phases of water to radiate heat.” The water inside the solution absorbs the heat produced by the device and turns into steam, which is then dissipated via the heat pipe.

This steam then turns back into water, and in turns fuels the constant heat dissipation process. As the post explains, the physical cooling system works hand in hand with software algorithms to keep the S7 and S7 edge running cool. It is rather interesting to see how it all goes down inside devices that are so small and compact. The source link has the full rundown, so go ahead and find out how those powerful chipsets inside the S7 and S7 edge are kept in check.

Samsung engineers explain the Galaxy S7 and Galaxy S7 edge cooling system

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billant
billant

If the cooling system would fail for whatever reason, the phone’s sensors and software would simply step down the CPU to a lower level, and/or completely turn off the phone and perhaps display a warning message too. Genius isn’t it?! lol

warlockba
warlockba

No actually, I think this is not intended to have the phone cooler than previous iterations (like the S6), but to actually keeping it from overheating more than those. Higher CPU speeds mean more temperature, on (since SoC sizes are similar) similar sized surface. I do really wonder what would happen if the “cooling system” would fail on the S7 (besides from thermal cracked glass, as it was the case with the Nexus 5), since that heat will be “unluckily” dissipated inside the case then, and that means on the battery … which is lithium … which does not like… Read more »

o0MHJ0o
o0MHJ0o

I have to say I’ve noticed no difference in the cooling of the S7 edge compared to the S6 Edge+. The phone heats up much the same as the phone before it. I wouldn’t mind Samsung giving up more mm of thickness for a cooling system that actually kept it from getting hot.

insanejojo
insanejojo

nice