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The Pascal GTX 1080 Ti Owners Thread

nightrider1470 said:
are these limited for overclocking like the 1070 and 1080? I think it was the pcb issue on the older cards
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Yea seems they only go so far. There is multiple components that monitor power from PCI_E the 6 pin and 8pin so they don't exceed a certain threshold. I can remember watching a video where some one shorted (Shims? i think they were called) To trick the card into using more power. But i think there is something driver level wise that still restricts things. Either way custom or FE the overclocks are going to be mainly limited by silicon lottery and how cool you can keep core.
 
Mine will only go +130 without driver resets, memory will happily do +500 though but I'll have to check if error correction is kicking in.

With watercooling how does this allow the cards to sit stable at 2050mhz etc? As +130 is only around 1970mhz, I guess what I'm asking is, is it crashing above that because of how GPU boost 3.0 works with thermal limits and keeping the card much cooler on water bypasses that?
 
Ayahuasca said:
Mine will only go +130 without driver resets, memory will happily do +500 though but I'll have to check if error correction is kicking in.

With watercooling how does this allow the cards to sit stable at 2050mhz etc? As +130 is only around 1970mhz, I guess what I'm asking is, is it crashing above that because of how GPU boost 3.0 works with thermal limits and keeping the card much cooler on water bypasses that?
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They do not seem to overclock as high in absolute numbers as some 1080 and Titan XP samples. Seems to be around 2050 Mhz the sort of norm with some below and some above with few hitting and holding 2100 mhz stable under water.

On stock cooler, my trio can all do +150 Mhz, but literally 5 mhz over that and they crash. My Memory is good for another +500 also on all 3 so just a notch over 12 Ghz, but above that error correction kicks in and overall performance drops. I expect its not due to thermal limits per say as the card would be quiet cool at the start of runs and its just the limit of the chip. Water should be able to help maintain a constant boost so would expect +130 on the core would translate to a higher stable clock speed vs what your doing on air.
 
Radox-0 said:
They do not seem to overclock as high in absolute numbers as some 1080 and Titan XP samples. Seems to be around 2050 Mhz the sort of norm with some below and some above with few hitting and holding 2100 mhz stable under water.

On stock cooler, my trio can all do +150 Mhz, but literally 5 mhz over that and they crash. My Memory is good for another +500 also on all 3 so just a notch over 12 Ghz, but above that error correction kicks in and overall performance drops. I expect its not due to thermal limits per say as the card would be quiet cool at the start of runs and its just the limit of the chip. Water should be able to help maintain a constant boost so would expect +130 on the core would translate to a higher stable clock speed vs what your doing on air.
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Yea they can do +150mhz gpu and 400mhz Vram and sometimes they'll finish a benchmark fin or just crash with an error or BSOD.
It was so much easier oc'ing my 3 Maxwell 980Ti's. Took 1hr to find max and they ran stable for 2 years untill these two "headaches" arrived. I think I've spent 6 or so hours to find a stable overclock on them now.
I did the 3dmark time spy stress test for 12minutes and they have been stable now.

My wife's evga gtx 1080 sc acx 3.0 SLi I also recall spending af few hours on to find a stable oc, and it was like +66mhz on the gpu and +500mhz on Vram.

I kinda wish they would drop gpu boost and we could get back to the day of fixed mhz overclocking... Was so much easier.
 
Yeah i miss the old style of overclocking. A lot is due to temp now which is why i put my 1080 under water, boosted to 2088mhz now that's with 100+ on core and 450+ on memory.

Although I have turned the OC off as not needed with the games i play.
 
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Gripen90 said:
Yea they can do +150mhz gpu and 400mhz Vram and sometimes they'll finish a benchmark fin or just crash with an error or BSOD.
It was so much easier oc'ing my 3 Maxwell 980Ti's. Took 1hr to find max and they ran stable for 2 years untill these two "headaches" arrived. I think I've spent 6 or so hours to find a stable overclock on them now.
I did the 3dmark time spy stress test for 12minutes and they have been stable now.

My wife's evga gtx 1080 sc acx 3.0 SLi I also recall spending af few hours on to find a stable oc, and it was like +66mhz on the gpu and +500mhz on Vram.

I kinda wish they would drop gpu boost and we could get back to the day of fixed mhz overclocking... Was so much easier.
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Yup, if there is one thing I love about my Fury cards, they overclock to what they say! Maby I am just lazy :p
 
Currently running +175 core & +400 memory giving me 2063/5900

30 mins of Doom & several Firestrike/timespy runs, seems stable so far. More to come hopefully as temps after Doom are 40c.
 
tyler_jrb said:
Thanks :). 2063mhz at the minute with +250 memory. No voltage slider so dont know if that will make any difference or not as of yet.
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Just saw a pic of your system, looks amazing by the way, just out of interest though do you not get any problems with liquid expansion? I've unlocked voltage slider with tweak and at +50, am going to reset and see if it makes a difference tonight but first impressions aren't good, still showing problems hitting power and voltage limits.
 
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