With 18.7.x, the GPU load was correct with a setting "Unified GPU Usage Monitoring" enabled.
Now, after update to 19.1.1 the behavior is:
I think may be a bug with gpu reporting of driver or something.
In Windows task manager GPU lit seems be correct.
Solved! Go to Solution.
Finally, at MSI AfterBurner 4.6.0 Beta 11 release notes i find that comment:
This response may be useful for something with some question