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Hot!EVGA 3080 Xc3 ultra, Power limit

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hitmanblood
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2020/09/23 21:50:43 (permalink)
Any hope for getting an increased power limit on these cards? The founders edition is able to add more power. Our cards are limited to 107%-108%. Other vendor cards and even the founders edition far exceeds that. My xc3 never exceeds 70c and is a super well binned card from my 3dmark scores, but is hugely power limited. Does EVGA ever increase power limits through firmware updates? Or no plans for the xc3 line of cards.
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    Sajin
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/23 22:02:33 (permalink)
    The do release power updates sometimes. Don't know if they will though.

    Want to save 5 to 10% on your next EVGA purchase? Just click on the associates banner to save, or enter the associates code at checkout on your next purchase. If you choose to use my code I want to personally say "Thank You" for using it.
     

     
    #2
    Johnny5srv
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/23 23:09:16 (permalink)
      If there is headroom, I would like to see an actual power limit increase as well. XC3 3080 owner.  The card already draws 380w and as far as I know thats the limit for 2 8pin pcie connectors at 150w each + 75w for the pcie slot on the motherboard.
    post edited by Johnny5srv - 2020/09/23 23:32:47
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    ReZpawN
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 03:06:49 (permalink)
    Do they void your warrant if you flash a different bios?
    #4
    Sajin
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 12:00:52 (permalink)
    ReZpawN
    Do they void your warrant if you flash a different bios?

    Yes, If you send the card in for rma with a different vbios loaded to a single vbios card.

    Want to save 5 to 10% on your next EVGA purchase? Just click on the associates banner to save, or enter the associates code at checkout on your next purchase. If you choose to use my code I want to personally say "Thank You" for using it.
     

     
    #5
    aostang
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 12:06:57 (permalink)
    This is likely the limitation due to 1) PCI+2 connectors and 2) thermals with the lesser fan and shroud design. I don't see them upping it. This would have been a great candidate for SLI configuration especially 3-slot (my current configuration with dual 1080 Ti SC2 with only 1 slot between them (Hero X). Unfortunately, NVidia is abandoning SLI so this card's purpose is probably best relegated to SFF and eGPU cases.
    #6
    Talon2020
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 12:15:27 (permalink)
    Does your power slider actually work? Mine doesn't. Leave your power slider at stock and open GPU-Z and run a demanding load. Note the max board power draw. Then max out the slider and re run the same test and again not the load. Make sure you reset before runs. For me the slider is useless and does not increase the power limit beyond 320w with 330w excursions or fluctuations. 
    #7
    Johnny5srv
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 12:18:35 (permalink)
    gaubry
    Does your power slider actually work? Mine doesn't. Leave your power slider at stock and open GPU-Z and run a demanding load. Note the max board power draw. Then max out the slider and re run the same test and again not the load. Make sure you reset before runs. For me the slider is useless and does not increase the power limit beyond 320w with 330w excursions or fluctuations. 




      Mine is the same way. 100% or 108%, performance, power draw and clocks stay the same.
    #8
    sirien
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 12:24:20 (permalink)
    Power slider on XC3 is broken right now,
     
    check out Frame Chasers youtube channel, about half way through he has an undervolt/clockspeed chart,
     
    his XC3 is shunt modded and it goes well above 500 watts at 1 volt
     
     
     
    #9
    Talon2020
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 12:26:40 (permalink)
    sirien
    Power slider on XC3 is broken right now,
     
    check out this guys video though, about half way through he has an undervolt/clockspeed chart,
     
    his XC3 is shunt modded and it goes well above 500 watts at 1 volt
     



    We've been trying to bring this to the attention of EVGA reps so we can get a clear answer on if/when it's going to be fixed. As it stands Asus TUF $699 3080 is 350w with 375w max with the power slider. It's also a 2x8pin so no excuse that the "Ultra" card can't do the same IMO. 
    #10
    sirien
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 12:34:40 (permalink)
    I think it has something to do with how afterburner and the precision software interact with the card,  like they had to release that specific precision software to make it even read out the voltage and fan speed on the card, while afterburner can do it on the other models.  Im sure it will get fixed eventually
     
    in the meantime shunting is your only option
     
    hopefully its not broken on the ftw cards
    #11
    criskoe
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 16:53:33 (permalink)
    I don’t know guys. Just saw a tweet today from Jacob saying the power limit on the 3090 XC3 is only 366W. And that’s the 3090!!!!!! Un less this is a typo but I dunno.

    I wouldn’t hold your breath hoping the XC3 get some magic boost with out modding yourself. Looks like this pcb was just designed like a entry card.

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    Talon2020
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 17:20:38 (permalink)
    criskoe
    I don’t know guys. Just saw a tweet today from Jacob saying the power limit on the 3090 XC3 is only 366W. And that’s the 3090!!!!!! Un less this is a typo but I dunno.

    I wouldn’t hold your breath hoping the XC3 get some magic boost with out modding yourself. Looks like this pcb was just designed like a entry card.



    Unreal, even the Nvidia $699 FE card can pull up to 375w max with power slider. I have my card in step up, but I think I'm either going to sell it or just outright return it to Microcenter as I'm within the 15 day window and go with a Strix, TUF or FE card. Why should we pay $769 for an "Ultra" card that performs worse than the base FE card at $699. 
    #13
    Mattler
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 17:55:04 (permalink)
    I hope my 10 year old PSU can handle a 3080.


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    dirkalbright
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 18:11:48 (permalink)
    When I got my x750m power supply I thought i paid too much years ago.  Now it's coming in handy lol
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    gsrcrxsi
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 18:19:26 (permalink)
    aostang
    This is likely the limitation due to 1) PCI+2 connectors and 2) thermals with the lesser fan and shroud design. I don't see them upping it. This would have been a great candidate for SLI configuration especially 3-slot (my current configuration with dual 1080 Ti SC2 with only 1 slot between them (Hero X). Unfortunately, NVidia is abandoning SLI so this card's purpose is probably best relegated to SFF and eGPU cases.


    they can push it to 375W (117% PL) and still be in spec of the 2x8-pin connectors
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    da3wilson
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 19:31:03 (permalink)
    Wonder if this is an issue for the FTW cards also or XC only.
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    sirien
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 19:49:52 (permalink)
    The cooler on the XC3 is quite lackluster, at 500 watts it goes to 75c with 100% fan speed. That’s why your not getting any more power limit
    #18
    hitmanblood
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 21:43:56 (permalink)
    Cooler is fine with 130 core overclock with around 70% fan speed mine stays around 65c. Need good air flow.
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    criskoe
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 21:52:43 (permalink)
    hitmanblood
    Cooler is fine with 130 core overclock with around 70% fan speed mine stays around 65c. Need good air flow.


    What holding boost clock does that equal???

    You have ultra? Or normal XC3?
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    hitmanblood
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/24 23:55:57 (permalink)
    criskoe
    hitmanblood
    Cooler is fine with 130 core overclock with around 70% fan speed mine stays around 65c. Need good air flow.


    What holding boost clock does that equal???

    You have ultra? Or normal XC3?

    not sure if i have a really well binned 3080. It is the ultra. but the boost clock can go up to around 2070mhz. but in reality i see around 1960-1990mhz in games. If i use a quieter fan settings and lower them it goes down to around 1920ish mhz.
    #21
    davey0707
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/09/25 06:12:07 (permalink)
    hitmanblood
    Cooler is fine with 130 core overclock with around 70% fan speed mine stays around 65c. Need good air flow.


    Which case are you in if you don't mind me asking?
    #22
    heavyarms1912
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/10/26 17:27:37 (permalink)
    Adding more watts to generate more heat will only reduce the boost clocks (due to temperature increase).  You'll rather get more performance by keeping the card cooler than with a 25w power limit increase (additional 8% on top of existing 7-8%).
    #23
    jankerson
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    Re: EVGA 3080 Xc3 ultra, Power limit 2020/10/26 17:46:42 (permalink)
    Johnny5srv
      If there is headroom, I would like to see an actual power limit increase as well. XC3 3080 owner.  The card already draws 380w and as far as I know thats the limit for 2 8pin pcie connectors at 150w each + 75w for the pcie slot on the motherboard.




    That is the limit, 375W for a 2x 8 Pin card.
     
    150+150=300 + 75W for the PCIe Slot= 375W.

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