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Helpful ReplyQuestion on Voltage limit

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WeGone
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2017/04/21 08:15:38 (permalink)
May have been covered before but I could only find reference to power limit.
So I just got my new 1080 ti and have been doing some minor overclocking.
I have GPU offset @ +103 mem +0
Power 105%. Voltage 
Power limit stays at 0 while Voltage limit goes to 1, is this ok? Everything looks fine GPU usage stays at 100% only the GPU Clock drops from 2012 to 1999
 
Dropped to +50 GPU and Voltage Limit stays at 0.. I'll just stay here util I learn more!!
post edited by WeGone - 2017/04/21 09:21:37
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Scarlet-Tech
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Re: Question on Voltage limit 2017/04/21 08:37:41 (permalink) ☄ Helpfulby WeGone 2017/04/21 09:22:13
Voltage limit 1 means it is hitting the cap and it has become the limiting factor.

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WeGone
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Re: Question on Voltage limit 2017/04/21 09:24:32 (permalink)
Scarlet-Tech
Voltage limit 1 means it is hitting the cap and it has become the limiting factor.

 Thanks I dropped to +50 and will stay here until I learn more on how to increase voltage, This still gives me a GPU Clock of 1950MHZ  would I need to go +110-120% on power target?
post edited by WeGone - 2017/04/21 09:32:58
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Valtrius Malleus
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Re: Question on Voltage limit 2017/04/21 09:40:46 (permalink)
I've noticed this too. I have my GTX 1080 Ti at +175 core and +650 memory with 120% power limit. It should boost to 2075 mhz but it hits the voltage limit and throttles down to around 2025. Interestingly though the throttle also seems to be determined by the temperature too, although that hovers around 65C with an 80% fan speed.
 
Just tried dropping the offset to +125 since that was the difference in the throttling, which should yield a 2025 mhz boost but the voltage limit comes into play and throttles it down to 1987mhz. All I can can take from this is to get the highest speed possible and if the voltage limit is a factor then let the card throttle as needed.
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WeGone
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Re: Question on Voltage limit 2017/04/21 10:44:25 (permalink)
Interesting, I have not messed with the Mem yet. 
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Valtrius Malleus
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Re: Question on Voltage limit 2017/04/22 05:14:50 (permalink)
WeGone
Interesting, I have not messed with the Mem yet. 


Get the core as high as you can, then see what you can get out of the memory. With the +650 offset on the memory alone I managed to get an extra 2 FPS on avarage @ 4K. I might be able to squeeze a bit more out of it because I was going up in 50mhz increments, but I suspect the results would be negligible. 
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