Temperatures, Cooling and Noise
The Acer Aspire S7-392 is an extremely slim notebook, though ever so slightly thicker than the previous S7-391. As such, it's very possible that the temperatures we are about to see could be a bit on the high side.
As you can see, on the front of the system, we logged a maximum temperature of 86 degrees Fahrenheit. Considering the slimness of the notebook, this is a rather incredible feat. Compared to the other notebooks we've had the pleasure of testing, the S7-392 was the second coolest; beaten out by the gigantic Origin Eon 17-S by just a few degrees.
Moving around to the backside, temperatures were worse. The maximum observed temperature was 104 degrees Fahrenheit. Using the loaded system on your laptop would likely be uncomfortable, but I'd much prefer to see heat on the backside of the system than the front side.
The maximum observed GPU temperature was 79 degrees Celsius. This is the same as the CPU temperature, because the Aspire S7-392 makes use of Intel's on-die HD4400 graphics.
The S7-392 produced a sound level of 36 decibels. This noise ties for the quietest notebook in our testing history. To put this in perspective, you can barely hear the notebook in the room. It's practically silent. Our measurement is taken in front of the laptop, at roughly head level. For comparison, 30dB is a totally quiet night time in the desert, 40dB is whispering, and 60dB is a normal conversation.
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