In the past couple of days I monitor my CPU temperature and when it on heavy work load like redering, the CPU temp go beyond 80 or sometime even 90 degree celsius.
Is this kind of normal? or I need to change any of my hardware?
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In 100% full load on all cores is OK , specially in a closed case. If it gets close to 99degrees you need to take measure , like 95+ degrees since it will throttle