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Hot!3080 FTW3 ultra not using correct power limit?

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Jaz11
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2021/02/18 23:34:24 (permalink)
So i put my FTW3 3080 under an EK waterblock and 560mm rad. Installed the XOC 450w bios from the forums here. Now have 118% power limit slider in MSI Afterburner. Confirmed in GPU-Z that bios power limit is 450W so all looks to be good.
 
I cant get it to go over 400W power draw? usually its around 380W. I have tested in 3d mark firestrike, time spy, port royal. Furmark. Heaven benchmark and all the same.
 
Both MSI afterburner on screen display and HW info say the same. Usually 380w with the rare 390-400w draw. MSI afterburner OSD is telling me i'm at power limit or voltage limit.
 
Voltage usually at 1.083 but can hit its 1.1v nvidia cap. temps are around 45c. voltage, power draw and temp limit sliders are maxed in afterburner. Have tested at stock and at 2150mhz core...
 
What am i missing?
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    Neo197830
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 14:41:03 (permalink)
    Thats strange alright i have stock Bio with the 3090 FTW Ultra depending in games seems to change power draw drastically but it will max out at 450 watts quite easily if the game demands it hmmm haven’t flashed 500 watt Bios just because some people seem to not have much luck getting that much juice through it
    #2
    neteng101
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 14:51:01 (permalink)
    Yup unbalanced power inputs - one of your 3 connectors or the PCIe slot is trying to draw too much power while the others aren't near max yet.
    #3
    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 14:59:00 (permalink)
    Is this a common problem? Is there a way to fix?
    #4
    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 15:05:53 (permalink)
    I've barely tried games yet. Just run benchmarks assuming they would push the card as hard as possible.

    But yeh haven't seen it over 400w
    #5
    ty_ger07
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 15:12:39 (permalink)
    Jaz11
    Is this a common problem?

    The data is not available.  It is impossible to know.  But it doesn't appear to be uncommon.

    Is there a way to fix?

    Officially, no.  Unofficially, yes, there is a hacky workaround.
     
    https://forums.evga.com/3090-FTW3-Ultra-Uneven-Power-Draw-Across-8pin-cables-m3209326.aspx
     
     
    grabibus
    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...

    #6
    jankerson
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 16:02:13 (permalink)
    Jaz11
    I've barely tried games yet. Just run benchmarks assuming they would push the card as hard as possible.

    But yeh haven't seen it over 400w



    Flash it again. 

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    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 16:11:33 (permalink)
    I just read through that whole thread. Even past the 2 users arguing like children lol

    I didn't see the hacky fix you mention?
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    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 16:15:29 (permalink)
    Have flashed twice and no difference
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    ty_ger07
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 17:07:22 (permalink)
    The hacky fix is in that thread and quoted above.
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    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/19 17:23:58 (permalink)
    Ahh I see. Don't know how I missed that. Hmmmm sounds pretty risky
    #11
    Endworld
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/20 01:23:03 (permalink)
    Jaz11
    Ahh I see. Don't know how I missed that. Hmmmm sounds pretty risky

    Was it the part about using a 2x8 pin card BIOS?

    I was curious about this myself.
    Would be nice if EVGA just put out a properly fixed BIOS to deal with the issue.
    #12
    ty_ger07
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/20 01:32:21 (permalink)
    Endworld
    Would be nice if EVGA just put out a properly fixed BIOS to deal with the issue.

    I don't think that it is possible. The power balancing is not directly controlled by the BIOS. The BIOS tells the voltage regulator what the limit is, but can't tell the voltage regulator how to do its job. If it is the voltage regulator's problem, the only way to allow PCI-E #3 to reach 150 watts is to allow PCI-E #1 and #2 to reach 200 watts (for example). If EVGA tried to release a BIOS with high limits which exceeded ATX specifications, 1) it would be liable for failures and fires, and 2) NVIDIA would probably never approve the BIOS in the first place.
    #13
    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/20 01:41:49 (permalink)
    Yeh flashing a bios not meant for the card. But also wouldn't a 2x8pin design have a lower power cap?
    #14
    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/20 01:51:09 (permalink)
    That's really disappointing. How this wasn't picked up in testing is beyond me.

    Starting to feel like a should have picked up the Asus but I've got a waterblock now so kinda locked into the EVGA now.
    #15
    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/20 02:05:09 (permalink)
    I have attached my power draw from GPUZ while running a 3d mark port royal loop. All voltage, power limit and temp limit sliders on max. reasonable overclock to 2130mhz core. Temps are fine around 50c Under water.
     
    PCI cable 1 doesnt even get to the full 150w, usually around 130w, PCIE2 doing its job by the looks of it, PCIE3 pathetic at 68w. MSI afterburner and GPU both telling me im at power limit with 380w draw on a 450w bios?
     
    1000w power supply, all PCIE cables are separate to their own port on PSU. 
     
    I really hope there is the possibility for a fix for this.

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    donnie123
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/20 02:46:59 (permalink)
    ty_ger07
    Endworld
    Would be nice if EVGA just put out a properly fixed BIOS to deal with the issue.

    I don't think that it is possible. The power balancing is not directly controlled by the BIOS. The BIOS tells the voltage regulator what the limit is, but can't tell the voltage regulator how to do its job. If it is the voltage regulator's problem, the only way to allow PCI-E #3 to reach 150 watts is to allow PCI-E #1 and #2 to reach 200 watts (for example). If EVGA tried to release a BIOS with high limits which exceeded ATX specifications, 1) it would be liable for failures and fires, and 2) NVIDIA would probably never approve the BIOS in the first place.



    I don't know if you read, but lucky  for us it seems it's not the lower quality voltage controller that's the issue, because it has now been discovered that the same issue of power balance happens on the 3090 Kingpin PCB also, which is top notch quality. SO, one of the forum members with a kingpin that was limited to 430w and had very weak plug 3, in the other thread, has discovered that if you use classified tool and raise the msvdd to 1.1v, this fixes the balancing issue and card then pulls full power. Seems this works also on other cards. In turn also Jacob announced on twitter there will be update on this issue in next few weeks. Judging by both news its indeed possible to fix.
    #17
    MDG73
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/02/20 04:58:40 (permalink)
    donnie123
    ty_ger07
    Endworld
    Would be nice if EVGA just put out a properly fixed BIOS to deal with the issue.

    I don't think that it is possible. The power balancing is not directly controlled by the BIOS. The BIOS tells the voltage regulator what the limit is, but can't tell the voltage regulator how to do its job. If it is the voltage regulator's problem, the only way to allow PCI-E #3 to reach 150 watts is to allow PCI-E #1 and #2 to reach 200 watts (for example). If EVGA tried to release a BIOS with high limits which exceeded ATX specifications, 1) it would be liable for failures and fires, and 2) NVIDIA would probably never approve the BIOS in the first place.



    I don't know if you read, but lucky  for us it seems it's not the lower quality voltage controller that's the issue, because it has now been discovered that the same issue of power balance happens on the 3090 Kingpin PCB also, which is top notch quality. SO, one of the forum members with a kingpin that was limited to 430w and had very weak plug 3, in the other thread, has discovered that if you use classified tool and raise the msvdd to 1.1v, this fixes the balancing issue and card then pulls full power. Seems this works also on other cards. In turn also Jacob announced on twitter there will be update on this issue in next few weeks. Judging by both news its indeed possible to fix.


    This is encouraging news. Was there any mention if the fix will be across the board with their cards as I have a 3070 that has this issue. And what is interesting is that I contacted tech support about it with pics and they replied that it was normal and as designed. Sounds like some conflicting info floating around or a tech support agent that blew fluff up my rear end.

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    #18
    rjbarker
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 00:05:21 (permalink)
    ^^^^ Is there anything further with this?
    I just installed an EK Block on my FTW3 Ultra and exact same issue as the OP!!
     
    Flashed to XOC BIOS - GPU-Z confirms 450w available.
    +160 Core / +725 Memory
    118% Power Limit
    GPU Voltage to Max (around 1.09v - 1.1v)
    Fairly steady Boost 2130 Mhz
    Running all kinds of Benchmarks but Power Draw never exceeds around 380w t0 390w !!!!
    PCI-E Slot around 45w
    PCI-E #1 & #2 get to around 148w - 155w
    PCI-E #3 is sadly never more than 1/2 the other 2 connectors, maybe 62w
     
    Anyone know if there is some sort of work around. I'm under water and with current OC above I'm barely cracking 42c on my GPU. Getting scores around 12.5K Port Royal, but I know there is more in the tank.
     
     

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    #19
    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 00:39:08 (permalink)
    OP here. I'm still stick under 400w on the 450w bios. Still pcie3 not drawing more than 70w.

    More often than not I'm "power limited" at 350-380w I'm told...

    I haven't updated to the newer xoc bios with resizable bar update. Have you done that 1?
    #20
    rjbarker
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 00:51:10 (permalink)
    ^^^^ No havent bothered .....are we just the sad sacks that got the power limited duds? And it would figure were both under water.....!!!!
    Have you found anything around for a potential fix...others must be having same issues. Real drag to see some folks getting the full power and were crippled!!
    Exact same here....PCI-E #3 is 1/2 the power of the other 2......I'm running a Corsair AX1600i .....from my 1080Ti SLi set up (also was under water).
     
    Have you heard anything back from Evga regarding this?
    post edited by rjbarker - 2021/04/02 00:53:24

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    #21
    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 00:55:42 (permalink)
    No fix. I tried to do alot of research and all fingers point to an issue at the hardware level and EVGA has been pretty silent on it so I highly doubt It will get fixed.

    I'm just thankful I got this card so damn cheap. Way before the price rises. Otherwise I would be pissed I didn't go with strix or aorus series.

    I'm trying the new bios now to see if anything changes. I doubt it but
    #22
    rjbarker
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 01:01:13 (permalink)
    ^^^^ Yeah let me know if anything changes, as in the PCI-E #3 Connector "waking up" ;)
    Yes I lucked out...Ive had a notification with Evga since 5th Oct......good luck!!!!
     
    So called a local Memory Express store on a whim..they took my "reservation" for the Card over the phone.....5 wks later I got the call the Card was in...the stars aligned nicely as both the EK Block and Nickel Backplate were also in stock...done deal! I got the Card at the original "uninflated price as well".....
     
    Too bad about this power limit as Im at 2130 Boost and thats it!!!! I know this chip can go higher as no sign of any instability at all!

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    #23
    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 01:06:30 (permalink)
    Yeh I was similar. There was 1 retailer here in Australia that was selling EVGA cards sooooo much cheaper than any other retailers other brands.

    Ftw3's for $1200 AUD when all the Asus tugs and strix were $1450-1600 AUD.

    Yeh I'm also 2130mhz stable too. Seems like we have the same card. I don't often see 2130mhz tho as this wrong power limit drags it down to 2075-2100mhz most of the time
    #24
    rjbarker
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 01:38:26 (permalink)
    ^^^^ Yep same here...2130 is a flash in the pan....mostly sits at 2115...I'm not keen on flashing that newer BIOS as I only use MSI AB.....not a fan of Precision....let me know if it solves the power limit problem?
    I guess we could RMA the Card, but in all honesty, draining my loop (its pretty big w 3 rads n almost 2 Liters to fill), swap air cooler...ship yada yada yada for another 60w hardly seems worth it!

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    #25
    Jaz11
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 01:45:23 (permalink)
    Just played some cyberpunk on new bios. No luck. Still didn't see power go over 390w. Clocks still the same etc. I'm getting maybe a few more fps from the resiable bar though so that's cool.

    If you go into the original xoc bios thread on the newest pages the manual bios install is linked there. I didnt use precision

    Yeh I feel like EVGA wouldn't even replace anyway. I don't think it's worth the effort to pull down loop. Reassemble cooler, send back, maybe get replacement, then build GPU block and loop again to maybe get the same thing.

    Plus how long will that take...I've just accepted it and looked on the bright side. I actually got a 3080 and before the price rises. Thankful for that.
    #26
    rjbarker
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 02:18:28 (permalink)
    ^^^^ Yeah for sure....I mean +145 to  +160 on the core w a boost of 2115Mhz is pretty solid, especially for 24/7 gaming...
    My old Evga 1080Ti SC Blacks culd only get about +70 Core ....they were under water as wellll
     
    Thanks for the tip to the new BIOS Link.
    Cheers

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    #27
    Coldblackice
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 02:20:06 (permalink)
    Jaz11
    OP here. I'm still stick under 400w on the 450w bios. Still pcie3 not drawing more than 70w.

    More often than not I'm "power limited" at 350-380w I'm told...

    I haven't updated to the newer xoc bios with resizable bar update. Have you done that 1?


    rjbarker
    ^^^^ Is there anything further with this?
    I just installed an EK Block on my FTW3 Ultra and exact same issue as the OP!!
     
    Flashed to XOC BIOS - GPU-Z confirms 450w available.
    +160 Core / +725 Memory
    118% Power Limit
    GPU Voltage to Max (around 1.09v - 1.1v)
    Fairly steady Boost 2130 Mhz
    Running all kinds of Benchmarks but Power Draw never exceeds around 380w t0 390w !!!!
    PCI-E Slot around 45w
    PCI-E #1 & #2 get to around 148w - 155w
    PCI-E #3 is sadly never more than 1/2 the other 2 connectors, maybe 62w

    I've been having this same issue. It's like the little power port(s) that couldn't. Currently on the latest firmware with re-bar enabled/working (which didn't make any difference in capped power ceilings on differing ports).
     
    EVGA RTX 3080 FTW3 Ultra
    #28
    rjbarker
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 08:55:10 (permalink)
    ^^^^ Yeah its kind of a drag. Not a big deal if youre not into OC'ing, but OC'ing is why I have a large Custom Loop.
     
    Its obvious there are Cards around as ours that simply cannot reach above 395w regardless of the BIOS, yet a bunch can go well beyond. From what I understand its not really a silicon lottery thing at all, but the Cards HW and ability to regulate power across all PCI-E channels.
    Definitely an odd one for sure.
     
    Anyone know if Evga has any answers or even possibly some information regarding these cards not capable of powering beyond 395w....I thought I had read something about this awhile back before actually getting my Card, wound up with this FTW3 but was due to this I also looking for an Asus Strix.

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    #29
    kevinc313
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    Re: 3080 FTW3 ultra not using correct power limit? 2021/04/02 10:28:18 (permalink)
    jankerson
    Jaz11
    I've barely tried games yet. Just run benchmarks assuming they would push the card as hard as possible.

    But yeh haven't seen it over 400w



    Flash it again. 


    Jaz11
    Just played some cyberpunk on new bios. No luck. Still didn't see power go over 390w. Clocks still the same etc. I'm getting maybe a few more fps from the resiable bar though so that's cool.

    If you go into the original xoc bios thread on the newest pages the manual bios install is linked there. I didnt use precision

    Yeh I feel like EVGA wouldn't even replace anyway. I don't think it's worth the effort to pull down loop. Reassemble cooler, send back, maybe get replacement, then build GPU block and loop again to maybe get the same thing.

    Plus how long will that take...I've just accepted it and looked on the bright side. I actually got a 3080 and before the price rises. Thankful for that.


    Your Afterburner isn't applying the 118% power limit properly.  Bet you it's an old pre Ampere version. The board is running with the 380W, 100% power limit.  It is normal to see peaks into the 390W range with the FTW3 at stock settings.  My 3080 FTW3 with the 450w bios sees peaks to 475w, but averages 425-445w depending on load. TRY THE X1.


    Run FURMARK 2560x1920 0X MSAA and reset GPU-Z while running, average power will read nearly dead on 380w.
    post edited by kevinc313 - 2021/04/02 10:30:40
    #30
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