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Hot!Just got a 970 and have performance questions

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romanlynch
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2020/02/29 21:16:48 (permalink)
So I just upgraded (kind of) from a 960 to a 970 ssc2.0 (04g-p4-3975-kr). For those that need to know, it was a self imposed budget and between this or a 1060 3gb and the 970 offer was accepted first. I applied new thermal paste last night and got it installed with some other upgrades to my system today. I OC the base clock by 110 and the memory by 300 and made a custom fan curve that is 0% up to 25c and ramps up to 100% at 70c. I was running furmark and heaven and was watching some settings.  I noticed was the core clock was fluctuating between 1202-1265 and the memory clock was a solid 3506. The fans on this are pretty loud, measured at ~50db with an app on my phone, holding it right where I sit. The GPU temp plateaued at 77c after 4:30 of furmark. I tried lowering the fan % but temps got a little over 80c so I stopped the benchmark.
 
Questions are, why was the base clock fluctuating like that and is there anything I can do to have the fan % lower so they are not as loud? I assume just revert back to stock settings might help. I did look up Arctic Accelero Twin Turbo II ($32 used) but I guess I should've just gotten a better gpu at that point.
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    bob16314
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    Re: Just got a 970 and have performance questions 2020/03/01 00:33:33 (permalink)
    Probably reaching the power limit, Furmark is brutal..Check in the GPU-Z Sensors tab and see if the PerfCap Reason says Pwr (Power) or another reason when running Furmark.
     
    You can raise the Power Target in EVGA Precision if power is the limiting factor.
     
    Actually, I wouldn't use Furmark, use something else like a Unigine Benchmark or EVGA OC Scanner X.
     
    Nothing much you can do about the fan noise except create a custom fan profile in EVGA Precision or MSI Afterburner, or roll with a different cooler/fan setup.

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    #2
    romanlynch
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    Re: Just got a 970 and have performance questions 2020/03/01 10:12:14 (permalink)
    I ran heaven too for benchmark, fan still ran 100% which fits I suppose. In Afterburner, power limit % is the field you're talking about? I can raise that a max of 10%, would that fix the fluctuations? Honestly, only game I play is Apex Legends (so now I can die in *high* res 60 fps lol) and the fans didn't seem *that* loud when I played last night. I'll deal with the noise since that's all I play. Would better case cooling help with the gpu cooling? I just have a cheapo rosewell case, don't know if upgrading those fans would be beneficial or not.
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    bob16314
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    Re: Just got a 970 and have performance questions 2020/03/01 10:56:02 (permalink)
    Yeah, Power Limit in Afterburner is the same as Power Target in Precision.

    Case ventilation could be a factor..Run without the side panel on and see if it matters..If you notice 3-4C or greater of temperature drop under load, then the airflow in the system can likely be improved.

    Why does my EVGA graphics card run hot?
     
    You'll have to see what the PerfCap Reason is in GPU-Z..It may be hitting the max power limit, or some other reason, and fluctuating somewhat.

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    HeavyHemi
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    Re: Just got a 970 and have performance questions 2020/03/01 15:38:27 (permalink)
    romanlynch
    I ran heaven too for benchmark, fan still ran 100% which fits I suppose. In Afterburner, power limit % is the field you're talking about? I can raise that a max of 10%, would that fix the fluctuations? Honestly, only game I play is Apex Legends (so now I can die in *high* res 60 fps lol) and the fans didn't seem *that* loud when I played last night. I'll deal with the noise since that's all I play. Would better case cooling help with the gpu cooling? I just have a cheapo rosewell case, don't know if upgrading those fans would be beneficial or not.


    If you're not getting good airflow through the case, this can be the cause of a 10C or higher increase in GPU temps.  Using the default or GPU BIOS fan control, the GPU is designed under full load to run at ~80C.  If you have an air cooler on your CPU, all that warm air inside the case is also being used to 'cool' your GPU.

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    romanlynch
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    Re: Just got a 970 and have performance questions 2020/03/01 17:42:00 (permalink)
    bob16314You'll have to see what the PerfCap Reason is in GPU-Z..It may be hitting the max power limit, or some other reason, and fluctuating somewhat.

     
    So if I raised it to 110% and it still says VRel - Limited by reliable voltage then I should lower the base clock?
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    bob16314
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    Re: Just got a 970 and have performance questions 2020/03/01 20:04:42 (permalink)
    romanlynch
     
    So if I raised it to 110% and it still says VRel - Limited by reliable voltage then I should lower the base clock?




    No, that's fine.

    It'll always have some kind of PerfCap Reason..See Post #2 here for a pretty good explanation.
     
    If you raise the Power Limit/Target to maximum it'll probably give VOp as the reason, and that's fine too.

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    romanlynch
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    Re: Just got a 970 and have performance questions 2020/03/16 20:42:23 (permalink)
    I took the time to try and OC this card step by step instead of just slapping base/mem boosts. I baselined stock settings in Heaven then +50, 75, 100 base clock then +50 base and 50, 100, 150 memory clock then +0 base and +200/250/300 memory clock. I never had any crashes but I was paying a lot of attention to the gpu temp via Afterburner.
     
    The combo's that kept me out of the 90*C range were:
    stock (duh) - 157.7 avg FPS
    +50 base - 161.8 avg FPS
    +0 base / +200 memory - 160.4 avg FPS
    +0 base \ +250 memory - 160.9 avg FPS
    +0 base / +300 memory - 161.9 avg FPS
     
    I have the priority set to temp and highest it will go is 91*C, which it hit with the +50/100 and +50/150 for a split second. The fans on this thing are basically pinned at 100% for the whole benchmark and also when I play Apex Legends. The graphics settings are all low/disabled and I even went to the trouble of limiting the FPS to 60 via Nvidia and in-game but that didn't help, gpu usage is still 99% and fans are 100%. Is there anything I can do to help with this?
     
     
    Other results
    +75 base - 162.9 avg FPS - 90*
    +100 base - 164.7 avg FPS - 90*
    +50 base / +50 memory - 161.9 avg FPS - 90*
    +50 base / +100 memory - 162.6 avg FPS - 91*
    +50 base / 150 memory - 163.4 avg FPS - 91*
    post edited by romanlynch - 2020/04/07 19:33:56
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    bob16314
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    Re: Just got a 970 and have performance questions 2020/04/07 23:07:37 (permalink)
    Thermal Interface Material (TIM) is the weakest link in transferring heat between the component and the heat sink.

    A liquid metal TIM like Thermal Grizzly Conductonaut or Coollaboratory Liquid Pro that has very high Thermal Conductivity is THE best stuff.

    A good conventional TIM would be Thermal Grizzly Kryonaut.

    If you're going to use liquid metal, I would (and did) apply a couple coats of clear fingernail polish around the GPU chip to be safe because while it has very high Thermal Conductivity, it also has very high Electrical Conductivity..It is, after all, liquid metal..Do NOT use liquid metal on aluminum.

    Conductonaut dropped my GPU temp dramatically (~20C under load) over the MX-3 I was using before..See my Post #12 here.

    Also be aware that a GTX 970/Maxwell architecture core clock will only boost in 13MHz increments, so you should overclock the GPU core by 13, 26, 39, 52, etc.
    post edited by bob16314 - 2020/04/07 23:18:04

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    #9
    romanlynch
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    Re: Just got a 970 and have performance questions 2020/04/08 11:43:10 (permalink)
    I put new thermal paste on, artic silver, when I got the card. I did not know about the increments, thanks. I just ended up winning a bid on a gigabyte g1 1060 gb. I was going to get some better 120mm fans for my case to improve air flow, current ones don't feel like they're moving any air. So some liquid metal + better case ventilation should do the trick right?
     
    Honestly, is the 90*C temp for 7 fps in Heaven worth it? I mean, there's no headroom at that temp right? Even at stock settings I was 85-88*C.
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    Sajin
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    Re: Just got a 970 and have performance questions 2020/04/08 12:19:51 (permalink)
    Max allowed temp for a 970 is 98c.

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    romanlynch
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    Re: Just got a 970 and have performance questions 2020/04/08 13:03:21 (permalink)
    Is it acceptable to run it at 91* constantly then? Won't it thermal throttle since that's the limit in Afterburner?
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    Sajin
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    Re: Just got a 970 and have performance questions 2020/04/08 13:30:42 (permalink)
    Most people like to keep their cards as cool as possible, but yes 91 is ok. True thermal throttling won't occur until hitting/exceeding the max allowed temp.

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    romanlynch
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    Re: Just got a 970 and have performance questions 2020/04/08 15:37:45 (permalink)
    Okay. Thanks for all the info everyone
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