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Hot!3090 8-pin #3 low power usage?

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Quesadillo
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2021/01/23 15:17:32 (permalink)
Testing my new 3090 I just got from RMA and I noticed that my power draws in gpu-z are averaging:
 
70-75w pcie slow
130-135w 8 pin #1
135-140w 8 pin #2
70-75w 8 pin #3
 
is this how it is supposed to work?
 
the last card I rma'd was around 80/110/110/110 if I remember right, this new card did have a firmware update when I opened precision x1 not sure if that had something to do with it
 
the voltage levels seem to be higher though, holding ~12.2 now vs ~11.8 on the old card, not sure if that really means anything
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    Dyezak
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    Re: 3090 8-pin #3 low power usage? 2021/01/25 08:48:20 (permalink)
    My new card I have exhibits the same problem(?).  I'm not sure what's going on, but it does that on the factory normal bios, the factory OC bios, the XOC normal bios, and the XOC OC bios.  
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    ty_ger07
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    Re: 3090 8-pin #3 low power usage? 2021/01/25 09:35:42 (permalink)
    You are not alone, that's for sure.  But I am sure it's "fine".  It's a "feature" to have a messed up VRM.

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    Dyezak
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    Re: 3090 8-pin #3 low power usage? 2021/01/25 19:20:41 (permalink)
    Any link to a fix?  
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    ty_ger07
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    Re: 3090 8-pin #3 low power usage? 2021/01/25 19:23:53 (permalink)
    No link.  No fix.

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    Kokin
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    Re: 3090 8-pin #3 low power usage? 2021/01/25 21:07:38 (permalink)
    Quesadilloif I remember right, this new card did have a firmware update when I opened precision x1 not sure if that had something to do with it



    Just a heads up: Precision X1 only installs firmware for LEDs and fan control, nothing relating to vBIOS or power control. 


     
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    ice water
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    Re: 3090 8-pin #3 low power usage? 2021/01/29 07:44:01 (permalink)
    The same thing happened to me
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    joshjd93
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    Re: 3090 8-pin #3 low power usage? 2021/01/29 08:01:01 (permalink)
    I had the same problem too for a long time. I recently started to give up on getting anything over 450w power draw and started to undervolt my card to get same or better stock performance but will alot less power usage. This has basically reduced my temps and given me the same or better performance as stock versus my original overclock settings, but I noticed something else too. My power draw between the 3 8-pins is perfectly balanced now. Before I too would get 75w pcie, 130-150w on the 1st and 2nd 8-pin, and low 3rd 8-pin power draw, but now all 3 are almost always the same ~125-130w draw with pcie still sitting ~75w. I would give it a try and see if you have similar results, it was kind of interesting and am not sure why its drawing balanced power now, but the only difference is I undervolted my card.
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    F1Aussie
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    Re: 3090 8-pin #3 low power usage? 2021/01/29 15:42:29 (permalink)
    Looks like it may be a random issue, checked mine on hwinfo and all 3 are similar, only thing i have done is a custom fan curve.

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    F1Aussie
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    Re: 3090 8-pin #3 low power usage? 2021/01/30 05:40:31 (permalink)
    Checked mine on gpu-z after a couple of hours of gaming and I was averaging 74/120/121/119.
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    Dyezak
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    Re: 3090 8-pin #3 low power usage? 2021/01/30 07:00:54 (permalink)
    joshjd93
    I had the same problem too for a long time. I recently started to give up on getting anything over 450w power draw and started to undervolt my card to get same or better stock performance but will alot less power usage. This has basically reduced my temps and given me the same or better performance as stock versus my original overclock settings, but I noticed something else too. My power draw between the 3 8-pins is perfectly balanced now. Before I too would get 75w pcie, 130-150w on the 1st and 2nd 8-pin, and low 3rd 8-pin power draw, but now all 3 are almost always the same ~125-130w draw with pcie still sitting ~75w. I would give it a try and see if you have similar results, it was kind of interesting and am not sure why its drawing balanced power now, but the only difference is I undervolted my card.




    Nothing doing over here.  No matter how much I undervolt to squash performance down the power draw is still uneven.  It's not likely BIOS related either.  If it was EVGA would simply fix the issue.  I expect(ed) more from a company with this reputation when you are buying one of their most expensive products they have ever put out.  
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    Dabadger84
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    Re: 3090 8-pin #3 low power usage? 2021/01/30 08:39:58 (permalink)
    Some cards exhibit this, some don't.  Some cards do this with the XOC BIOS, some don't.  My 3090 FTW3 Hybrid had a similar spread of power usage, the 3rd 8-pin always lagged behind the others & the slot was almost always over spec under heavy loads - unfortunately according to the reply I got from eVGA CS, this is not something you "should" RMA a card for, although I'm sure if you were insistent enough they would allow it.
    Personally I wouldn't worry about that too much.  There is going to be a BIOS update for Resizable BAR coming soonish, and that may have some power balancing improvements in it as well, wait for that before you make any decisions on what to do with the card as far as it's weird power balancing goes.
    I'm reselling mine, the Kingpin does not have such issues and I'm quite happy with that.

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    bavor
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    Re: 3090 8-pin #3 low power usage? 2021/01/30 10:32:40 (permalink)
    Dabadger84
    Some cards exhibit this, some don't.  Some cards do this with the XOC BIOS, some don't.  My 3090 FTW3 Hybrid had a similar spread of power usage, the 3rd 8-pin always lagged behind the others & the slot was almost always over spec under heavy loads...



    All of my EVGA 3090 FTW3s did that with both the stock and XOC BIOS.  Instead of drawing more power from the 3rd PCIE 8 pin power connector, the power draw through the PCIE slot would increase to 80+ watts along with the power draw from the #1 and #2 PCIE 8 pin connectors increasing to 150+ watts each.  The #3 PCIE 8 pin connector didn't increase its power draw nearly as much as the other sources of power.  It seemed to be an unusual behavior for power draw.

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    Dabadger84
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    Re: 3090 8-pin #3 low power usage? 2021/01/30 13:54:05 (permalink)
    bavor
    Dabadger84
    Some cards exhibit this, some don't.  Some cards do this with the XOC BIOS, some don't.  My 3090 FTW3 Hybrid had a similar spread of power usage, the 3rd 8-pin always lagged behind the others & the slot was almost always over spec under heavy loads...



    All of my EVGA 3090 FTW3s did that with both the stock and XOC BIOS.  Instead of drawing more power from the 3rd PCIE 8 pin power connector, the power draw through the PCIE slot would increase to 80+ watts along with the power draw from the #1 and #2 PCIE 8 pin connectors increasing to 150+ watts each.  The #3 PCIE 8 pin connector didn't increase its power draw nearly as much as the other sources of power.  It seemed to be an unusual behavior for power draw.



    Worth noting, eVGA clearly "knows" how to do this properly/fix it, because the Kingpin (at least mine) does not have this problem on the 520W "LN2" stock BIOS.  While the 3rd PCIe 8-pin does sometimes lag behind the others, they all level out during heavier loads, and the PCIe slot never goes over spec, at least not at a 520W draw, as seen in this screenshot after a Port Royal personal-best run:

    Readouts:
    Board Power Draw: 524.8W (actual according to the OLED Display peaked at 540W, it's odd the gap is that big)
    PCIe Slot: 66.9W
    8-Pin Power #1: 152.8W
    8-Pin Power #2: 159.4W
    8-Pin Power #3: 147.7W
     
    I haven't used the 1000W BIOS cuz that's scary lol
     
    While it's not perfect balancing, it's much better than what I saw from my 3090 FTW3 Hybrid on the XOC BIOS, which loved to load up the PCIE slot unnecessarily:

    Board Power: 450W (on the "500W" XOC BIOS, what a load of BS)
    PCIe slot: 79.8W
    8-Pin #1 Power: 126.1W
    8-Pin #2 Power: 129.6W
    8-Pin #3 Power: 117.7W
     
    I've seen people with much worse power-load balancing than mine on that card though.
     
     

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    RickJamesBish
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    Re: 3090 8-pin #3 low power usage? 2021/01/31 03:59:23 (permalink)
    Dabadger84
     
    Worth noting, eVGA clearly "knows" how to do this properly/fix it, because the Kingpin (at least mine) does not have this problem on the 520W "LN2" stock BIOS.

    Is the hardware identical between the FTW3 and the Kingpin as far as components that would potentially make a difference when it comes to the power handling?
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    sparetimepc
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    Re: 3090 8-pin #3 low power usage? 2021/01/31 04:40:14 (permalink)
    RickJamesBish
    Dabadger84
     
    Worth noting, eVGA clearly "knows" how to do this properly/fix it, because the Kingpin (at least mine) does not have this problem on the 520W "LN2" stock BIOS.

    Is the hardware identical between the FTW3 and the Kingpin as far as components that would potentially make a difference when it comes to the power handling?


    The pcb between the ftw3 and kingpin is different yes.




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    Dabadger84
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    Re: 3090 8-pin #3 low power usage? 2021/01/31 05:51:52 (permalink)
    RickJamesBish
    Dabadger84
     
    Worth noting, eVGA clearly "knows" how to do this properly/fix it, because the Kingpin (at least mine) does not have this problem on the 520W "LN2" stock BIOS.

    Is the hardware identical between the FTW3 and the Kingpin as far as components that would potentially make a difference when it comes to the power handling?




    PCB is much more customized on the Kingpin of course, but the power delivery, while more beefy for obvious reasons (it's intended for LN2 afterall) being able to properly handle the loads under a normal operating condition si more of what I was refering to.  There's no reason why they would mess up the 3090 FTW3 Ultra/Hybrid BIOS that bad while the Kingpin balances perfectly.
     
    Full on 3090 FTW3 Ultra PCB:
     
     
    Kingpin nakie PCB: 

     
    Like I said, I would at least wait until the Resizable BAR BIOS update comes out for the 3090 cards, see if that fixes the load-balancing issue (who knows, maybe that's why they haven't released an update, they're going to kill two birds with one stone) and if it's still an issue after that, contact CS & see if they'll grant an RMA.
    post edited by Dabadger84 - 2021/01/31 05:55:31

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    _Gir_
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    Re: 3090 8-pin #3 low power usage? 2021/01/31 15:27:53 (permalink)
    To those with uneven power, how does it behave during 4k resolution benchmarking?
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    bavor
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    Re: 3090 8-pin #3 low power usage? 2021/02/01 08:12:17 (permalink)
    _Gir_
    To those with uneven power, how does it behave during 4k resolution benchmarking?



    Two of my 3090 FTW3 Ultras drew 86 watts through the PCIEx16 slot during 4K benchmarking and drew more power through the PCIE#1 and PCIE#2 8 pin connectors than the #3 connector.  The first one I had, I didn't log any power draw info.

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    grabibus
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    Re: 3090 8-pin #3 low power usage? 2021/02/02 10:26:26 (permalink)
    You are all lucky guys !!
    My 3090 FTW3 ultra shows 0w on third 8 pin slot in gpuz with stock bios.
    In TimeSpy, whatever the overclock settings, voltage goes up max 0,987V and frequency max 1995MHz.

    Should I RMA the card ?

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    Dabadger84
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    Re: 3090 8-pin #3 low power usage? 2021/02/02 13:49:54 (permalink)
    grabibus
    You are all lucky guys !!
    My 3090 FTW3 ultra shows 0w on third 8 pin slot in gpuz with stock bios.
    In TimeSpy, whatever the overclock settings, voltage goes up max 0,987V and frequency max 1995MHz.

    Should I RMA the card ?



    If you're seriously seeing 0W of draw from the 3rd 8-Pin in both GPUz & HWInfo64, with the correct BIOS installed for your GPU, then you should definitely contact eVGA Customer Service, preferably over the phone so you can get help quicker, that definitely sounds like an RMA is needed.

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    #21
    exlink
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    Re: 3090 8-pin #3 low power usage? 2021/02/02 13:54:03 (permalink)
    grabibus
    You are all lucky guys !!
    My 3090 FTW3 ultra shows 0w on third 8 pin slot in gpuz with stock bios.
    In TimeSpy, whatever the overclock settings, voltage goes up max 0,987V and frequency max 1995MHz.

    Should I RMA the card ?

    I’ve seen low usage but never no usage. Make sure that it’s connected securely at both the 8 pin on the card and the PSU.
    #22
    grabibus
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    Re: 3090 8-pin #3 low power usage? 2021/02/02 15:34:38 (permalink)
    Sorry my mistake !
    I retried with stock bios and usage is on the three 8 pin connectors.
    But, whatever the overclock and whatever the 3x8 pin bios I tried (stock bios, Asus XOC, kingpin), I never boost above 1995MHz and the voltage never goes above 0,987V In timespy or heaven.

    I am limited at roughly 430W whatever the bios and the overclock ( and max 1995MHz and Max 0,987V) in those benchmarks.

    In games, I can boost beyond 2000MHz.

    Did I loose silicon lottery here ?

    Is it a reason for RMA ?

    If I try a 2x8 pin bios as the KFA2 390W for example, it boost very high and I can set voltage until 1,093V. Power draw in this case is around 250W-300W. So no more power limit....
    post edited by grabibus - 2021/02/02 15:38:11

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    ty_ger07
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    Re: 3090 8-pin #3 low power usage? 2021/02/02 18:10:53 (permalink)
    grabibus
    Did I loose silicon lottery here ?

    It sounds like you lost the EVGA lottery, not necessarily the silicon lottery.
     
    I would RMA the card.

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    #24
    grabibus
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    Re: 3090 8-pin #3 low power usage? 2021/02/02 18:28:42 (permalink)
    That’s sad....

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    #25
    Dyezak
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    Re: 3090 8-pin #3 low power usage? 2021/02/02 21:28:20 (permalink)
    So my card got worse.  Clocks were great, temps were low, but actual work performed was tanking.  When I pulled my card out of the box I base lined it on Port Royal completely stock at 13,600, nothing done to it.  Max out the power on the stock BIOS and I was at 13,800.  XOC BIOS and I hit 14,200.
     
    All with this concerning power imbalance where 8pin #3 was hitting a hard wall of 80w and my card draw was never getting above 440-450w on the 500w XOC BIOS.
     
    After a week I was playing Cyberpunk 2077 for an extended session.  OK, so I had it running all day while I was working and would pause it and come back to it incrementally as time allowed .  All of a sudden I started getting studdering and then 2077 crashed.  Artifacts on the screen in desktop.  Rebooted and benched it again.
     
    On my XOC BIOS with +75 core and +1000 mem I hit a 12,200!  Just crap.  Even my 3080 was hitting 12,700.  Reflashed factory BIOS, set to stock, resets, BIOS switch and nothing.  Card was 12,200(ish) from that point forward.  I didn't pay $2k for a card that was outperformed my my own $800 3080.  RMA is now pending delivery.
     
    I don't know what that imbalance was/is, but it didn't end well for me.
    #26
    grabibus
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    Re: 3090 8-pin #3 low power usage? 2021/02/03 05:33:32 (permalink)
    As I boost above 1800MHz and as my 3 8pins Connectors deliver power together (even if it is not 100% well balanced), I am afraid that EVGA doesn’t accept RMA. The biggest issue is full power limitation in benchmarks (timespy for example).
    Whatever the overclock settings, I boost to 1995MHz max on timespy and max 0,987V.
    The power draw is between 420W-440W in timespy.

    How could they accept RMA ?

    And how the hell can’t I boost more in timespy (or Heavenl)...,???

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    Zgapzy
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    Re: 3090 8-pin #3 low power usage? 2021/02/14 18:29:36 (permalink)
    Welcome to the club, so far they have absolutely no idea how to fix it. XC3 bios will make your card run better but the power draws wont be accurate in monitoring software. 
    Sorry to say but you got a dud like the rest of us. 
    #28
    schmak01
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    Re: 3090 8-pin #3 low power usage? 2021/02/14 18:52:12 (permalink)
    FYI I am having the same issue on my 3080 FTW.  I wanted to crank it up since it's had the Hybrid kit installed but even with the XOC bios I rarely get over 400w, and its unbalanced.
     
    Here is a 10 minute Port Royal stress test with it set to +118% and a +80/500Mhz OC, I never got above 400W, it maxed at 401.8 with 44/117/126/115 watts across the power connections (PCIe/8pin1/8pin2/8pin3)\
     
    Something's funky
     

     
     

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    • Cooling: H115i Pro Platinum / Vetroo 360mm AIO
    • Case: Corsair 680X / Corsair 5000D Black
     
    #29
    grabibus
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    Re: 3090 8-pin #3 low power usage? 2021/02/15 00:34:57 (permalink)
    The only way is to flash with a 2x8 pin bios as the KFA2. 390W bios.

    It bypasses the power limit and you can boost with expected frequencies and voltages.

    At your own risk of course...

    MOBO ASUS ROG Crosshair VIII Hero | CPU AMD Ryzen 9 5900X | ASUS GeForce RTX 3090 STRIX GAMING OC | RAM TEAM GROUP Xtreem DDR4 32GB (8GBx4) 3733MHz ¨CL14 | OS MICROSOFT Windows 10 Professional 64 bits.
    #30
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