HeavyLoad (Select Top Icons for Separate Components): OCCT (Use Small & Large Data Set Testing): Prime95: įurMark (Set to Full-Screen and Your Max Resolution for your Monitor): If you are overclocking your CPU or GPU on the other hand a stress test will be required to check that the system is going to run stable after your settings adjustment. Just after doing a PC Build there isn't any urgent need to do a stress test unless you suspect one of your parts is faulty.