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Hot!how to undervolt ftw ultra 3080 ?

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Hackslash
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2020/10/16 16:05:39 (permalink)
see above
 
how can i do that?
core voltage cant be reduced in precision?!
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    kevinc313
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/16 16:18:31 (permalink)
    #2
    Hackslash
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/17 01:33:43 (permalink)
    kevinc313






    thats great but doesnt help.
    where can i lower the core voltage?
    #3
    KingEngineRevUp
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/17 02:20:29 (permalink)
    You control voltage by using a Voltage curve and setting it so it can never go higher than a set Voltage. That's undervolting.
    #4
    Reedey
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/17 22:21:02 (permalink)
    Precision X1 sucks for adjusting voltage curves. Use Afterburner instead,
    #5
    Hackslash
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/18 01:03:29 (permalink)
    Reedey
    Precision X1 sucks for adjusting voltage curves. Use Afterburner instead,


    Yep did it there, thanks.
    #6
    KingEngineRevUp
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/18 02:13:24 (permalink)
    Yes but afterburner sucks at controlling a EVGA fan.

    Pick your poison.
    #7
    Hackslash
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/18 02:44:42 (permalink)
    SlimJ87D
    Yes but afterburner sucks at controlling a EVGA fan.

    Pick your poison.


    Yes I wrote that on the thread about X1 update maybe theyll clone Afterburner?
    #8
    Sajin
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/20 11:09:35 (permalink)
    KingEngineRevUp
    Yes but afterburner sucks at controlling a EVGA fan.

    Pick your poison.

    Max fans out with precision then close it down, and use afterburner for everything else.

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    #9
    Azuroth
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/20 17:18:58 (permalink)
    You can also apply your custom fan curve with PX1, then open afterburner and apply your voltage curve.  Just make sure you don't have the fans set to auto or user controlled in afterburner.  Annoying, but it works.
     
    PX1 would be all you need if they would just add a way to lower all points in unison, and apply the current frequency to the rest of the voltages beyond your current point.
    #10
    KingEngineRevUp
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/20 23:25:07 (permalink)
    Sajin
    KingEngineRevUp
    Yes but afterburner sucks at controlling a EVGA fan.

    Pick your poison.

    Max fans out with precision then close it down, and use afterburner for everything else.


    I'd have to do that everytime because on certain reboots, the 3rd fan wouldn't be running at all.
    #11
    Dabadger84
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/20 23:30:26 (permalink)
    Azuroth
    You can also apply your custom fan curve with PX1, then open afterburner and apply your voltage curve.  Just make sure you don't have the fans set to auto or user controlled in afterburner.  Annoying, but it works.
     
    PX1 would be all you need if they would just add a way to lower all points in unison, and apply the current frequency to the rest of the voltages beyond your current point.




    I'm amazed they haven't added this as a feature with how long Afterburner has had the drag-all feature.
     
    I'm running -10% Power Target, the GPU is still boosting to almost 2GHz core, and it's running quite a bit cooler than before, with no noticeable loss in performance (at least not in GTA V Single Player)

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    #12
    james2001baby
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 00:43:51 (permalink)
    How to -10% Power Target in Afterburner? can anybody teach any step for me please.....
    my FTW3 3080 is very hot in gaming(70°), i want my GPU temp lower and fan noise lower too
    #13
    Dabadger84
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 04:01:29 (permalink)
    james2001baby
    How to -10% Power Target in Afterburner? can anybody teach any step for me please.....
    my FTW3 3080 is very hot in gaming(70°), i want my GPU temp lower and fan noise lower too




    Just put the power target slider at 90%?  That's all I'm talking about, -10% is 90% instead of 100%... sorry if that confused ya.

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    #14
    streamroller
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 04:04:58 (permalink)
    Dabadger84
    james2001baby
    How to -10% Power Target in Afterburner? can anybody teach any step for me please.....
    my FTW3 3080 is very hot in gaming(70°), i want my GPU temp lower and fan noise lower too




    Just put the power target slider at 90%?  That's all I'm talking about, -10% is 90% instead of 100%... sorry if that confused ya.


     Thats not how Undervolt works. You dont touch PT.


     
    First you do -280 core then open VF and start with .900V and 1950 mhz until you crash or 0.875v- 1850mhz
     
     
     
    #15
    Dabadger84
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 04:37:13 (permalink)
    streamroller
    Dabadger84
    james2001baby
    How to -10% Power Target in Afterburner? can anybody teach any step for me please.....
    my FTW3 3080 is very hot in gaming(70°), i want my GPU temp lower and fan noise lower too




    Just put the power target slider at 90%?  That's all I'm talking about, -10% is 90% instead of 100%... sorry if that confused ya.


    Thats not how Undervolt works. You dont touch PT.


     
    First you do -280 core then open VF and start with .900V and 1950 mhz until you crash or 0.875v- 1850mhz



    I know that.  He was asking how you do -10% power limit, so I answered :-D  I'm not messing with undervolting yet because doing it in Precision is a mess & I really don't feel like having Afterburner up every time I load windows just to apply it.
    I do find it interesting that the card doesn't seem to suffer from lower clocks when simply lowering the power limit though.  Would be neat to see just how low you can go on Power Target + VF curve and still maintain stability at 1900+ actual boost clock.

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    #16
    streamroller
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 05:06:22 (permalink)
    Dabadger84
    streamroller
    Dabadger84
    james2001baby
    How to -10% Power Target in Afterburner? can anybody teach any step for me please.....
    my FTW3 3080 is very hot in gaming(70°), i want my GPU temp lower and fan noise lower too




    Just put the power target slider at 90%?  That's all I'm talking about, -10% is 90% instead of 100%... sorry if that confused ya.


    Thats not how Undervolt works. You dont touch PT.


     
    First you do -280 core then open VF and start with .900V and 1950 mhz until you crash or 0.875v- 1850mhz



    I know that.  He was asking how you do -10% power limit, so I answered :-D  I'm not messing with undervolting yet because doing it in Precision is a mess & I really don't feel like having Afterburner up every time I load windows just to apply it.
    I do find it interesting that the card doesn't seem to suffer from lower clocks when simply lowering the power limit though.  Would be neat to see just how low you can go on Power Target + VF curve and still maintain stability at 1900+ actual boost clock.


    Afterburner stores your VF data to firmware. So lets say you tick Apply overclock at startup and start minimized you dont have to deal with afterburner anymore. Even further if i close afterburner OFF the VF data still stored. You can check cuz in PX1 you see your afterburner VF curve in precision :)
     
    i am so happy with .900V 1995mhz ^^
    #17
    james2001baby
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 07:29:56 (permalink)
    Thank you every one, i set 0.950V 2010mhz, now my GPU temp in gaming is 73-74, this is better than before temp 78!!
     
    Good for FTW3 3080!! Good for RGB~~
    #18
    TeslaDev
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 08:00:44 (permalink)
    Best undervolt I could get is 0.925v at 1935. 0.900v ran stable at 1905. 0.950-0.975 wouldn't hold 1950 stable. 1.000V and I was back in upper 70s temp-wise so it was throttling down and doing worse than my 0.925v @1935.  RIP my ftw3 "ultra" bin.
    post edited by TeslaDev - 2020/10/21 08:17:25
    #19
    james2001baby
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 08:50:17 (permalink)
    I follow your 0.925v at 1935, now my GPU temp is 68! is very cool!
    #20
    TeslaDev
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 09:23:02 (permalink)
    james2001baby
    I follow your 0.925v at 1935, now my GPU temp is 68! is very cool!


    Good to hear. Yep, it tends to run 65-70 for me depending on the game/test.
     
    I can't run stock without seeing 80C and bouncing off the power limit (makes the clocks jump all over the place).  Increasing power limit just makes the heat go through the roof, adds to stability, but my clocks drop to 1800s. 011D with 3 bottom intake fans...and more aggressive fan curve than the aggressive preset.  This card is rough.
    #21
    Delwyn69
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 23:42:00 (permalink)
    Undervolting is amazing, doesn't seem to work while overclocking though. I tried the same method with Afterburner, only pushed 2130 and 975mv or 1V as the highest point and it would either crash or wouldn't be able to hold that fequency, even with higher power target.
    I guess that was to be expected?
    #22
    yaggaz
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 23:46:09 (permalink)
    james2001baby
    I follow your 0.925v at 1935, now my GPU temp is 68! is very cool!



    Did you happen to notice much of an FPS loss after?
     

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    #23
    yaggaz
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/21 23:47:36 (permalink)
    Dabadger84
     
     Would be neat to see just how low you can go on Power Target + VF curve and still maintain stability at 1900+ actual boost clock.




    That just got me wondering.  What is the benefit of undervolting vs just lowering the clock speeds in Precision?

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    #24
    james2001baby
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/22 00:47:22 (permalink)
    1.I can't feel the fps drop in gaming, maybe a little fps loose..
    2.GPU undervolt is use to GPU temp down for me(68°), because my FTW3 3080 is too hot in gaming stage(78°)
    post edited by james2001baby - 2020/10/22 00:50:23
    #25
    yaggaz
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/22 13:40:00 (permalink)
    james2001baby
    1.I can't feel the fps drop in gaming, maybe a little fps loose..
    2.GPU undervolt is use to GPU temp down for me(68°), because my FTW3 3080 is too hot in gaming stage(78°)




    Yeah I feel ya. I have to cap my modern games at 90 or 100fps otherwise it hits 84c and throttles.  I should try the undervolting. Thanks for the inspiration!

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    #26
    Vrbas
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/22 20:21:32 (permalink)
    Just tried this. .850v @1905 seems stable so far. Temps went from 80c to 72c!
    #27
    Arkiverge
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/30 06:18:13 (permalink)
    I haven't pushed it, but out of the box 0.850 @ 1950 with +400 memory is stable (temps down from 73 to 66 on stock cooler in a Fractal R5).  This is a Gigabyte Gaming OC 3080.
    #28
    Axejess
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    Re: how to undervolt ftw ultra 3080 ? 2020/10/30 06:46:24 (permalink)


    #29
    Robleesaunders
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    Re: how to undervolt ftw ultra 3080 ? 2020/11/03 08:35:13 (permalink)
    Do I have to control fans with Afterburner?  I want to set my FTW3 at OC setting so the fans use a aggressive curve, yet I want to under volt with afterburner.  Is this possible?
    #30
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