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MSI GTX 970 Crashes with OC - Do I need more voltage?

Thalana

Thalana

Thalana

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15 Apr 2017
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After almost a year of reading about OCing my card, I finally decided to do so. I have an MSI GTX 970 4G and have been playing a lot of ARK Survival Evolved as of late. Before now I never seen a purpose to OCing as I could nearly max my other games with max fps but since OCing I've seen upwards of a 10 FPS difference in ARK which is amazing as it breaks that laggy 30-40 fps barrier.

My issue is I keep getting a grey screen in ARK which causes the video driver to crash, so says the game. Nothing negative seems to happen to the card, it's just these crashes. I ran Heaven and Firestrike for 45 minutes or so and both were fine with no artifacts or oddities.

My most recent OC I crashed on took an hour or so, but was +190 Core Clock and +350 Memory Clock on Afterburner. Roughly 1438 MHz core and 3900 MHz Memory I believe. At first I had the core and memory up a little higher and I crashed within 10 minutes. I'm curious if it's better to lower it to 180/300 to be safe or if I should go with a voltage bump as I've left the voltage untouched.

I'd really like to get to 1450-1500 MHz on the GPU if possible with the memory around 3500 at least as I feel this would truly optimize my game, but I'm a bit iffy on voltage changes and I'm wondering if the grey screen would still occur as I read it's related to memory.

I will say the card has never gone over 65C and the Power Limit seems to cap around 87 or 88.

Thanks.
 
You need to test to see which one is crashing it core or memory.
Test them separately then when they crash lower the clocks slightly or add some more volts until stable.
 
I have a feeling it's the core. I dropped the memory to 200, assuming it was the memory and raised the core to 190 and crashed pretty quickly. I have them both set to 150 at the moment and it appears to be stable. Is this instability related strongly to a lack of voltage increase or is my card just not capable of higher core speeds?

Thanks.
 
Thalana said:
I have a feeling it's the core. I dropped the memory to 200, assuming it was the memory and raised the core to 190 and crashed pretty quickly. I have them both set to 150 at the moment and it appears to be stable. Is this instability related strongly to a lack of voltage increase or is my card just not capable of higher core speeds?

Thanks.
Click to expand...

It will clock higher with more voltage
 
You're pushing it to the brink for the sake of a couple of frames. Dial the core OC back around 25Hz and go with that. Seriously, you'll be losing like 1-2 fps.
 
+190 is the absolute max for the core and not many 970s will do that. Dial it down to +180 and make sure the fans are set to spin faster.
 
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