Unigine Valley crashes after a few screens in while OCing GPU

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MarcoJakobs

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Mar 22, 2017
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Hello fellow forum users,

I have been trying to overclock my watercooled MSI geforce gtx 1070 gaming x 8gb for the first time. When i set the voltage to max and try to push the core clock to +100 it runs the benchmark fine. but when i slowly increase the memory boost to like 200, the benchmark gives me a crash, while the temps, voltage and fps are all fine, it just chrases after a few screens in. So its not overheating or anything, but still it just gives me a random crash.

My specs are as follows:

CPU: Intel i5 6600k, set to 1,25 v and clocked to 4,5 GHz
MOBO: MSI Z170A Gaming M5
RAM: Kingston HyperX DDR4 2666mhz
GPU: MSI Geforce GTX 1070 Gaming x 8GB
PSU: Corsair HX750i

I have a custom waterloop running over my CPU and GPU. The pump is pretty powerful and i also have a NZXT Hue+ with 4 led strips and a fan controller running 6 fans, and 1 fan connected to the CPU PWM port on my mobo. It got me thinking that my 750 psu cant handle all of this in my system, and that my GPU takes to much power which it cant deliver while overclocking. Might that be the case which leaves me no option other than not overclocking it or getting a new PSU? If any more information is needed feel free to ask reply.

Thanks


 
Solution
ClowReed
I don't think energy is the problem. That PSU is pretty powerfull for what you have there. Increasing memory clock of the VGA, most times, doesn't play a well balanced cost-benefit advantage. The instability could raise fast and the increase in performance is low. As long as you could raise the gpu clock and keep it stable and the temps safe, you should prioritize that. Also, make sure the dissipator is in full contact with the memory chips.

But, if you still want to raise that memory clock, try lower gpu and see if it helps. Find the maximum stable memory and then start raise the gpu. But, as I said, a higher gpu will produce better results and sometimes high memory AND high gpu clocks don't play well.
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ClowReed

ClowReed

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I don't think energy is the problem. That PSU is pretty powerfull for what you have there. Increasing memory clock of the VGA, most times, doesn't play a well balanced cost-benefit advantage. The instability could raise fast and the increase in performance is low. As long as you could raise the gpu clock and keep it stable and the temps safe, you should prioritize that. Also, make sure the dissipator is in full contact with the memory chips.

But, if you still want to raise that memory clock, try lower gpu and see if it helps. Find the maximum stable memory and then start raise the gpu. But, as I said, a higher gpu will produce better results and sometimes high memory AND high gpu clocks don't play well.
 
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Solution
T

TJ Hooker

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I think the most obvious answer is that you're overclocking your memory too far, past what it is capable of. So it's unstable and you get crashes. Not much you can do about it.

As an aside, I'm pretty sure increasing voltage in an overclocking utility just increases core voltage, so it doesn't aid in memory overclocking.
 
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MarcoJakobs

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Mar 22, 2017
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I have these settings right now http://imgur.com/a/MF5JC
set memory back to 0, benchmark runs just fine, it even completes it. but after a minute or 10 MSI Activex service crashes while temps and everything looks just fine. is 170 core clok to high already?
 
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ClowReed

ClowReed

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I'm at work right now, but as far as I remember 170 is pretty high and hard to stabilize even at maximum voltage (without any sort of mod, of course). I'll check my 1070 back at home later and let you know.
 
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ClowReed

ClowReed

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I checked back home and my G1 Gaming is at +130 mhz, but I bet this is on top of the OC that already comes with the vga. And as far as I remember, anything above this starts to give me artifacts. The voltage is also at +100%, but the temps rarely rises above 50 ºC.
 
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MarcoJakobs

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Mar 22, 2017
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Thanks for looking it up. Im at +150 mhz now and +0 memory with voltage fully open, gaming hasnt crashed yet. I'll benchmark soon and post how it went.
 
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MarcoJakobs

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Mar 22, 2017
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This was indeed the problem. I think my card had a factory overclock aswel, because when i raise the clock speed by 150 is showed like 2210 Mhz, thats way to high for a gtx 1070. So i have had it running at a +130 base clock for a while and it seemed to work fine, except for a bluescreen once in a week. So i decided to lower it back to 110 i believe, and it is working flawless since then.

Thanks for the help guys!
 
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