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Ryzen 3600 PRIME95 AVX Workload Insane Temperatures

Jarrod said:
And thats with another air cooler right? Surely this Arctic Cooler 34 isn't THAT BAD that I'm gettng an additional 20c on a lower voltage than yourself? Also curious, the cpu doesn't throttle itself even at 95c.... frequency and voltage remains the same...
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No, its this.... cost me £45 http://www.deepcool.com/product/LiquidCooler/2018-11/209_10014.shtml

I'm locked to the 65 Watt TDP, notice FFT is at 100% and the volts are down from 1.39 to 1.30, its throttling to keep in TDP, i have only seen this in Prime95, just now...

Because you're overclocked your power cap is much higher, ergo higher temps.

Prime95 is a so called power bug software, any real workload will not stress the CPU this high so i wouldn't worry about it, what are your temps in something like a Handbreak conversion?
 
During any other benchmark, I get around 74c max. Games 50-65c. Prime95 without AVX is 74c max. Just so curious that AVX kills it completely
 
If you havn't got it already OP, download and run "Real Bench". Run the stress test using all your ram for 15mins to start with. It's a much more realistic test of day to day stability than Prime ever was. I bet your temps will be much nearer to the norm. That said, the temps you are seeing are off the scale i must admit.
 
Jarrod said:
During any other benchmark, I get around 74c max. Games 50-65c. Prime95 without AVX is 74c max. Just so curious that AVX kills it completely
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AVX is just like that when used in stress testing software, i don't know why, its just one of those things, Intel guys also use AVX offsets to stop their CPU's from melting in stress test software.

It seems to be a thing, i wouldn't worry about it, as long as its fine in day to day software, which it seems to be just put it down to AVX doing what it does when use like this, like everyone else does.... :)
 
One more thing, try if you can to get your CLDO VDDP and CLDO VDDG down to 0.9v, they are a little on the high side. Your VDDCR SOC can be taken up to 1.1v if needed, if not leave it where it is.

See my Ryzen Master screen caps
 
humbug said:
AVX is just like that when used in stress testing software, i don't know why, its just one of those things, Intel guys also use AVX offsets to stop their CPU's from melting in stress test software.

It seems to be a thing, i wouldn't worry about it, as long as its fine in day to day software, which it seems to be just put it down to AVX doing what it does when use like this, like everyone else does.... :)
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I guess - not experienced a particular "workload" to make that much difference to temps before - but I also haven't done any tinkering with PC parts in 5 years or so. Guess I'll elave it as it is, thanks though everybody!
 
Just thought - one thing about this cooler, a fair bit of the CPU IHS is still visible after installation. Arctic have said this is fine. But I wonder is there anything AVX related on the outside towards the edge of the IHS? Complete guess, but possible maybe? Maybe someone who knows what they're talking about can chime in!

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Overclocking is pointless unless you raise the tdp limit otherwise your always throttling due to power limits. Same with gfx cards.
Humbugs system runs cooler because its hit the 65w tdp limiter.
Your limiter is higher allowing your cpu to pull more power and make more heat.
Only options: better cooling or go back to stock clocks.
 
Also massively dependent on ambient temps.

With the recent weather, ambient can get up quite high and explain a 5C difference.

I'm curious though. Will run Prime with AVX on my 3600 (PBO+200mhz). I know Intel Burn Test can get my CPU quite high.

edit:

Wow that is intense. I think it's slightly more intensive than Intel Burn Test now. Wasn't with earlier versions of prime95 (298b4). Using 298b6 for test below.

So I have ambient temps of 25C. 120mm EVGA CLC.

The PBO settles on 4.0ghz with about 1.3v (pulling 115W) and temps settle at a tad under 88C after 5 minutes. Might get a little higher if I let the AIO soak but seems to have plateaued.

Note that under more normal ambient temps ~5C would be knocked off.
 
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Hi all - just an update for anybody who happens to stumble across this post. I ended up installing a Arctic Freezer Liquid 2 240mm - Prime95 with AVX at 4.2Ghz now toppign out at 69c. Happy days - will return the Arctic Cooler 34

Thanks for help everybody
 
Jarrod said:
Hi all - just an update for anybody who happens to stumble across this post. I ended up installing a Arctic Freezer Liquid 2 240mm - Prime95 with AVX at 4.2Ghz now toppign out at 69c. Happy days - will return the Arctic Cooler 34

Thanks for help everybody
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Had a feeling it was just too much for
Your cooler
AVX is very stressful
 
I would say something's funny with your cooling? My CPU maxes out at 70C running Prime95 at 4.2ghz overclock and 1.30v.

I'm cooling my 3600 with a Dark Rock Pro 4. My CPU power hangs around the 67W mark.

Is it possible that your fans aren't running efficiently? I customised my fan setup in my bios to run silent and gradually ramp up under load. My case fans don't go above 50%. My CPU fan is set to ramp right up under high temps because it's a very quiet fan anyway.
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Well, I ended up with a brand new CPU, I accidentally ordered two Ryzen 3600. I thought I'd swap them out and see how the unused one performed. I'm now running 4.3Ghz at 1.21v (drops to 1.2v under load), maxing out at 81c under a 10 hour prime 95 AVX small fft. Happy with that!
 
Jarrod said:
Well, I ended up with a brand new CPU, I accidentally ordered two Ryzen 3600. I thought I'd swap them out and see how the unused one performed. I'm now running 4.3Ghz at 1.21v (drops to 1.2v under load), maxing out at 81c under a 10 hour prime 95 AVX small fft. Happy with that!
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That's a pretty good clock for a 3600, mine needs 1.325 just to hit 4.2 but only maxes out at 67c in aida and cinebench r20 with the wraith prism cooler. I haven't tried prime as I didn't want to blow up my CPU bearing in mind my vcore is quite high.
 
Joxeon said:
That's a pretty good clock for a 3600, mine needs 1.325 just to hit 4.2 but only maxes out at 67c in aida and cinebench r20 with the wraith prism cooler. I haven't tried prime as I didn't want to blow up my CPU bearing in mind my vcore is quite high.
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Yea I'm happy with it to be fair, I max out at 68 in Aida, but fans on the radiator are vey quiet, so I guess they're set to quite a quiet fan profile
 
avx really heats these chips up!

couldn't believe the difference I had to drop my vcore to get it stable due to keeping under 95c on a 280AIO
 
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