Minisforum HX90G (Ryzen 9 5900HX + RX 6600M) mini PC review

Mini and Desktop PCs 38 Page 19 of 20 Published by


Thermals and CPU Temperatures


Lately, it has been requested if we could list VRM temperatures. We could hook into sensors and start measuring. Now a good way really is to look at the VRM area with a thermal camera. This way you can detect hot-spots and/or worrying stuff. We run the FPU and CPU torture test in AIDA. The chart plot shows the maximum VRM temperature measured at thermal sensor level. The VRM temperatures you see listed in the chart are not based upon the thermal image, but the max temp reported by the thermal sensors at the VRM stages. 

The thermal image is there for visualization of heat bleed, not measurement as most part of the VRM is covered by heatsinks.

  • System setup: normal conditions / default settings / 100% CPU load on all cores

We see nothing that concerns us.


Above all CPU cores under load


Above the Radeon RX 6600M under load


The reason we do not table up temperature results is that we'd need to apply identical cooling over and over on all platforms. Also, coolers (RPM) react differently to TDP and variables like BIOS on all motherboards let alone brands. The processor peaks towards 65 and then very slowly closes in towards 80 degrees C; at that point, it's still whisper silent. But during long-term CPU stress expect 80 Degrees C on the processor package.


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