Aida64 CPU Stress Test question

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ShadowRD

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in the picture you can see some drop on clock speed, is this normal? or is the cpu throttling?

Screenshot_2.png

 
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anbello262
I recommended to avoid Prime because I assumed you had intel, which doesn't play nice with P95, sorry (got mixed up with another thread in my mind). You could try it, although it is way too hot to be realistic.
Maybe the utility in AMD Overdrive could be useful.
How are your temps? Although you shouldn't have a.problem with that cooler.

We're mainly just trying to see how the cpu's frequency reacts under load, so we don't actually need a hard stress test. You could even try with some 100% real world load.
For example, I used to simultaneously compress several folders (winrar, max compression, a few gb each), or convert mp4 to mkv (depending on the utility used, I normally use more simultaneous conversions than the number of cores)...
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anbello262

anbello262

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It is not normal, but doesn't completely look like throttling either, as it only happens for a very short while, and goes all the way to 0.
I see you're running 4.9ghz. What voltage are you using to get there? What is your cooler?
What are the temperatures, especially when that happens?

It might be some power saving feature, check in windows, energy settings, and make sure every setting/advanced setting is on high performance mode.

Also, try another program to stress, while using AIDA only to check the temps/freqs, and see if the same thing happens.
(I recommend to avoid Prime95, particularly versions 28 or higher)
 
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ShadowRD

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i have disable all power saving feature (windows/bios), i'm using 1.48v trying to get an stable OC @ 4.9 with FX 8350 and H115i cooler on 970aUD3P

what cpu stress beside aida64 do you recommend?
 
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anbello262

anbello262

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I recommended to avoid Prime because I assumed you had intel, which doesn't play nice with P95, sorry (got mixed up with another thread in my mind). You could try it, although it is way too hot to be realistic.
Maybe the utility in AMD Overdrive could be useful.
How are your temps? Although you shouldn't have a.problem with that cooler.

We're mainly just trying to see how the cpu's frequency reacts under load, so we don't actually need a hard stress test. You could even try with some 100% real world load.
For example, I used to simultaneously compress several folders (winrar, max compression, a few gb each), or convert mp4 to mkv (depending on the utility used, I normally use more simultaneous conversions than the number of cores).


Try one or more scenarios (stress test, real load) and see if you can replicate those "spikes".

It certainly doesn't look like temperature throttling, and I don't have enough experience with throttling caused by the motherboard (power, voltage, VRM) to rule that out.
 
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ShadowRD

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ok thanks, i'm testing @ 4.7 with lower voltage to check if that happen again
 
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