Realbench question?

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21 Apr 2020
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40
I am trying to undervolt my cpu and i am using realbench as a stress test. Im not sure why but when i run a 1 hr and a 2hr stress test it passes but when i use a 4hour stress test it fails within the first hour? Clearly the system is unstable and i have to up my volts a bit more but why isnt it lasting atleast the 2 hrs(in a 4hr test) before stopping as it passes a 2hrest. Am i wrong in assuming that the long test is just repeated loops of the shorter tests?
 
Its happened twice today it passed 1 hr so i bumped it to 4 came back like an hour or so to check on it and the login screen for my computer was sitting there so assume it reset my computer. So i upped the volts, did a 2hr test that it passed and theb ran a 4hr. Went out and when i came back again it was sitting on login screen. Ive setting so my computer doesnt turn off display or sleep and when i logged in all the programmes (real bench and hwinfo and other monitoring software) were closed like it was a fresh restart. It just seems really odd
 
Maybe more fiddling to be done then just. I had it offset at - 0.03v last night playing fine but decided to run realbench on it today and its failed 4 hours at -0.03 and 0.0125 just seems odd considering the cpu is ryzen 5 1600 and is only overclocked to 3.7. I would have thought it should be stable at lower than stock voltage
 
The cpu max boosts to 3.6 out of the box and usually are over volted out of the box too. Didnt think a nudge to 3.7 was anything major. Im knew to OC so maybe im not right on this?
 
Like i said, im new thats why i put i could be wrong lol. Yes using stock cooler which turns out is not whats making all the noise(hence why i wanted to undevolt cpu). Gpu ted devil 580 is blowing like mad. Need to try undervolt it instead its crazy loud
 
The gpu is hitting like 78-79 havent really looked into safe temperatures to see if i can jist try adjusting the fan curves so they arent as aggressive at lower temperatures. I have yhr overclock switch on it turned on but tbh turning it back to silent mode would mean a decent hit to my game graphic settings and im only averaging like 75fps on current settings
 
It increases clock speed by 30 mhz or something too i think. At 79 degrees the stock fan speed is already set to like 80% afraid lowering the speed will allow temp to run away
 
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