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Now you can see the hotspot temperature and video memory temperature of NVIDIA RTX 3090

via:驱动之家     time:2021/2/17 22:42:48     readed:2820

The first thing to know is what a hotspot sensor is!

Usually we can see the GPU temperature in gpu-z or other tool software, which is obtained from the temperature sensor on the chip. But NVIDIA will never disclose the location of the temperature sensor, so we have no way to know whether this temperature is the temperature measured from the hottest point on the GPU core (basically not).

Amd has added a new function to the rDNA GPU,It can measure the temperature value of the hottest spot on the GPU core, that is, the hot spot temperature. Generally, this number is 10 ~ 20 degrees higher than the GPU temperature commonly used by us.


The temperature distribution on the GPU core is not uniform under high load

In fact, NVIDIA geforce GPU has a similar hot spot temperature measurement function, but this function is hidden by NVIDIA.

Now you can see the hot spot temperature through the latest version of hwinfo 64. The version number of the software is HWI_ 643_ 4380 (beta).


In the Furmark toaster test of RTX 3090, the test results of HWI_ 643_ The hot spot temperature can be seen in 4380, which is about 15 degrees higher than the GPU temperature.

In addition, many students may be very interested in the temperature of 24GB gddr6x video memory on RTX 3090_ 643_ 4380 can see it, too. It's really high. The toaster is 100 degrees easier.

Not just RTX 3090, all RTX 30 series GPUs can see these two temperatures.

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