The performance under high temperatures of Whatsminer bitcoin miners is much higher than that of Antminer.
Bitcoin – Whatsminer vs Antminer
Here is the summary of the second test carried out by @Wilson_Mining which compared the performance of the antminer S21 from Bitmain to MicroBT's Whatsminer M60 in the face of extreme temperatures.
The video below follows the one comparing the Whatsminer M30S+ to the Antminer S19K Pro. We reported on it in this article: Bitcoin – Antminer vs Whatsminer.
The miner revealed in particular that whatsminers are better able to withstand extreme temperature conditions. According to @Wilson_Mining, it's the power of the fans and the arrangement of the heat sinks that make the difference:
“The whatsminer fans are more powerful. They circulate more air, which allows more heat to be dissipated. There is also very little or no space between the heatsinks. The same goes for the heatsinks and the chassis which contributes to heat dissipation. »
In this video, @Wilson_Mining reveals that the whatsminer's heat sinks actually have a volume of 310 square millimeters compared to 270 square millimeters for the antminer. That's a difference of 15%, or even 20% if we really take everything into account.
The miner also carried out tests in a sauna to check at what temperatures the S21 and M60 stop working.
It appears that the S21 turns off at a much lower ambient temperature than expected. Conversely, the MicroBT M60 exceeds expectations.
Bitmain S21:
Turns off as soon as the ambient temperature reaches 37/38°C, compared to 45°C announced by Bitmain. At this moment, the miner consumed 4,131 watts for a production of 180 TH/s. Or an efficiency of 23 W/TH.
MicroBT M60:
Turns off at 45°C, compared to 35°C announced by MicroBT. At this moment, the miner consumed 3,645 watts for a production of 175 TH/s. Or a better efficiency of 21 W/TH.
In short, the whatsminer M60 operates at temperatures much higher than those that the antminer can withstand. Knowing also that the S21 is supposed to deliver 200 TH/s compared to 179 TH/s for the M60. The Whatsminer is therefore much closer to what the manufacturer announced.
Not to mention the efficiency of 17.5 W/TH promised by Bitmain, compared to 19.2 W/TH on the MicroBT side…
It therefore appears that the S21 performs much less well than its competitor M60 when the ambient temperature is high. This is a parameter to take into account if you mine bitcoins in a tropical climate.
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