I know thats when someone sayc X volts its TOTAL ******** as every motherboard 1.4 volts is different volts. You can only say to use those volts if someone is running same motherboard with same bios cause how LLC works changes even with Bios update.
@Illuminist have You installed HW info ??? Also You can use Ryzen master for Stress testing go to options anc change this **** around hardly think 30 seconds is any good stress test. 5 minutes well should do. Also yiu change to test not only CPU but Both cpu+memory that way imc if and cores gets tested not cores only