980ti g1 gaming benchmark

[sommde5]

I have a gigabyte g1 gaming 6g 980ti, when OC with valley benchmark, my screen has been freezing after looping for about 10min. I have increase voltage to +70 , +120 core (=1500mhz clock), mem +250. Seems odd that's it's fine for about 10min then freezes, no artifacts whatsoever. My 5820k is OC to 4.6ghz, would the freezing be due to the gpu or cpu? I ran a 15min stress at 100% load to validate cpu OC but I'm not sure if the valley freezing is normal crash for gpu or cpu, thoughts?

[blueballs]

probably gpu,cpu normaly give you bsod

[Godlygamer23]

It's probably the GPU that's causing the issues.

[sommde5]

Well that blows, guess I will crank the voltage up to max and see. Was really hoping for a 1500mhz overclock with this card.

[Curufinwe_wins]

Higher voltages don't help gm200. Besides it doesn't actually do anything anyways since the nvidia lock overrides your settings and keeps voltage maxed at 1.224V.

What is probably happening is your card heats up and even though it's below tmax it no longer is able to sustain the core clock at that temp. Generally this is why gm200 throttles down a bit at around 70C to prevent this issue, but it can still crash you.

Try pulling down to 1.21V and overclocking from there.

[sommde5]

Higher voltages don't help gm200. Besides it doesn't actually do anything anyways since the nvidia lock overrides your settings and keeps voltage maxed at 1.224V.

What is probably happening is your card heats up and even though it's below tmax it no longer is able to sustain the core clock at that temp. Generally this is why gm200 throttles down a bit at around 70C to prevent this issue, but it can still crash you.

Try pulling down to 1.21V and overclocking from there.

Yeah you're right, I turned down the voltage, and turned down the clock a little to +40v and 1485hz overclock and now is totally fine. Before I got 1500mhz stable at max voltage on afterburner but after about 10min it would drop to 1350hz and not go back up but card was still only at 70c, so sounds like what you described is what was happening. Lowered

[sommde5]

Higher voltages don't help gm200. Besides it doesn't actually do anything anyways since the nvidia lock overrides your settings and keeps voltage maxed at 1.224V.

What is probably happening is your card heats up and even though it's below tmax it no longer is able to sustain the core clock at that temp. Generally this is why gm200 throttles down a bit at around 70C to prevent this issue, but it can still crash you.

Try pulling down to 1.21V and overclocking from there.

So if I adjust the fan curve to keep temps lower, could I achieve a better overclock?

[i_build_nanosuits]

So if I adjust the fan curve to keep temps lower, could I achieve a better overclock?

most likely, but it will also be louder...you have a 1485mhz 980ti...it's awesome. B)

[Curufinwe_wins]

So if I adjust the fan curve to keep temps lower, could I achieve a better overclock?

You could hit maybe 7-10 mhz better oc. It won't be much but it is possible. Also glad to hear the voltage change helped.