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Helpful ReplyHot!3080 FTW3 Ultra not going over 400w even with 450w bios?

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Audioboxer
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2022/03/19 15:21:37 (permalink)
Hi guys, got my 3080 FTW3 Ultra the other day so it's the LHR version.
 
I got the LHR bios from here https://forums.evga.com/FindPost/3458937
 

 
I've tried heaven benchmark and furmark as well. It's almost as if the 118% slider is simply not working.
 
But I also noticed 8 pin #3 is quite weak. It's running on its own cable. Using a Corsair HX1000i power supply in single OCP mode.
 
I did some searching and it's confusing, some people saying the voltage regulator on these FTW3 cards isn't good and you need to RMA to fix pin 3, other people saying increasing the voltage to 1.1v should do it. I assume that is what the core voltage slider handles?
 
I ran Precision X1 and it reported and installed a FW update, but even using it for sliders and I'm still struggling to get over 400w. I've seen a lot of other people easily report nearer 450w running furmark or time spy.
 
Any up to date info on this?
 
Cheers!
post edited by Audioboxer - 2022/03/19 15:24:16
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FedericoUY
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/19 15:35:33 (permalink)
Older models did not have that problem. I've had the exact same problem as you, so ended up selling, no RMA wil fix that. You can check the w with an external device to really see it. 
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/19 15:46:00 (permalink)
FedericoUY
Older models did not have that problem. I've had the exact same problem as you, so ended up selling, no RMA wil fix that. You can check the w with an external device to really see it. 




I waited a year and a half in the queue to step up from a 2080Ti so with better performance I'll still be happy lol. Just wondering if I'm doing anything wrong
 

 
I loaded up Ori and the Will of the Wisps as it's actually quite taxing on the GPU and with DSR I ran my resolution at 5160 x 2160 and I managed to go just above 400w to 404.4w.
 
So I guess I do need to keep in mind my native res is 3440x1440 and it's likely 4K monitors are the ones sucking some real juice.
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/19 19:46:26 (permalink)
My original Card was exactly the same and it was an older Non LHR 3080FTW3....exact same results as yourself....running Kumbuster it would get up to 425w max.....it has been mentioned on here numerous times that the Board Power Draw shown in GPU-Z is actually 25w or so less than reality.
As for PCI-E Power #3 being low, as in 1/2 of number #1 or #2 ....perfectly normal for these Cards...google power balancing issue for more details.
My newer 3080Ti LHR Card is exact same with power balancing issue over PCI-E Power ports....#3 being significantly lower than the other 2, although this Card will reach 445w in GPU-Z, so assuming closer to 500w...
Someone earlier had mentioned that this didnt affect "older 3080 Cards", well I can assure everyone that it absolutely did ;)
 
Try running Kumbuster with GPU-Z running in background then check max board draw...n let us know what you get.
post edited by rjbarker - 2022/03/19 19:48:42

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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/19 20:01:55 (permalink)
rjbarker
My original Card was exactly the same and it was an older Non LHR 3080FTW3....exact same results as yourself....running Kumbuster it would get up to 425w max.....it has been mentioned on here numerous times that the Board Power Draw shown in GPU-Z is actually 25w or so less than reality.
As for PCI-E Power #3 being low, as in 1/2 of number #1 or #2 ....perfectly normal for these Cards...google power balancing issue for more details.
My newer 3080Ti LHR Card is exact same with power balancing issue over PCI-E Power ports....#3 being significantly lower than the other 2, although this Card will reach 445w in GPU-Z, so assuming closer to 500w...
Someone earlier had mentioned that this didnt affect "older 3080 Cards", well I can assure everyone that it absolutely did ;)
 
Try running Kumbuster with GPU-Z running in background then check max board draw...n let us know what you get.




And keep a fire extinguisher on the side "just in case."


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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 00:34:27 (permalink)
rjbarker
My original Card was exactly the same and it was an older Non LHR 3080FTW3....exact same results as yourself....running Kumbuster it would get up to 425w max.....it has been mentioned on here numerous times that the Board Power Draw shown in GPU-Z is actually 25w or so less than reality.
As for PCI-E Power #3 being low, as in 1/2 of number #1 or #2 ....perfectly normal for these Cards...google power balancing issue for more details.
My newer 3080Ti LHR Card is exact same with power balancing issue over PCI-E Power ports....#3 being significantly lower than the other 2, although this Card will reach 445w in GPU-Z, so assuming closer to 500w...
Someone earlier had mentioned that this didnt affect "older 3080 Cards", well I can assure everyone that it absolutely did ;)
 
Try running Kumbuster with GPU-Z running in background then check max board draw...n let us know what you get.


Thanks for this info. One of the reasons I felt prompted to make this topic was after about an hour of searching my head was spinning with posts ranging from 2020 to 2021 all saying different things.

This is also the first card I've had with a BIOS switch and I wasn't sure if I was doing anything wrong. I still don't quite know what the BIOS switch does lol.

I'm watercooling so I think the reason I don't see any difference might be I don't have a card fan profile. To flash the 450w BIOS I had the card on OC and flashed the OC exe. Then I switched to normal, rebooted, flashed the normal exe. I don't even know if this is needed. I switched back to OC after confirming the switch in either position can go to 118%.

I think what I've noticed above is running at 3440x1440 isn't necessarily going to need to pull much more than around 380-400w. Turning on DSR got me pulling a bit more. I was just surprised furmark didn't cause the power draw to eat itself lol.

My temps are really good watercooled, we're talking low 20s for idle and low to mid 30s under load. Ori above managed to hit high 30s and kiss 40 once or twice with DSR. But that's understandable, pushing a lot more pixels.
 

 

 
Bumped up the clock a bit more and ran a Time Spy Extreme, happy with the performance.
post edited by Audioboxer - 2022/03/20 02:29:29
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 03:06:38 (permalink)
I personally pull 400 down on my 3080 air cooled which in hindsight is more than I need at 1440. The theory that more wattage = better performance is lost on me as a regular gamer. Your card looks to be performing at a good level if not identical to mine. The 3rd PCI E not drawing as much as the other two isn't something to be concerned about. 

 
 
-Daniel_EVGA
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 03:11:34 (permalink)
EVGATech_DanielM
I personally pull 400 down on my 3080 air cooled which in hindsight is more than I need at 1440. The theory that more wattage = better performance is lost on me as a regular gamer. Your card looks to be performing at a good level if not identical to mine. The 3rd PCI E not drawing as much as the other two isn't something to be concerned about. 


Yeah, really happy with performance. Just the uplift needed from a 2080Ti to get into the realm of ray tracing working at a decent framerate and then DSR is now lovely on a 1440p screen. The 2080Ti did OK with DSR but a few games struggled a bit with the 2.25x setting. Much better on a 3080.

Seems I fell down the rabbit hole of thinking if you flash a 450W bios the card will push that no problem in benchmarking. At 1440p that is just not the case and likely unless you have silicon that can push 2200 or above on core you just don't need to pull nearly 450w.

Coupled with the confusing posts I was finding when researching with people blaming the voltage controller and saying EVGA weren't utilising the power draw properly. Misinformation online is always a chore!

Crisis averted 😜
 

 
Memory starts crashing Time Spy at 1100, so 1000~1050 seems to be the best I can do.
 
Core clock starts crashing at +165, so I presume if I want to attempt to push more there I would need to play around with the voltage curve. I did that with my 2080Ti (used a curve at 2100 1.093v) but for now I think I'll just stick with +150/+1000~1050.
 
GPU score above improving likely needs core going higher, not memory.

I'm surprised at how well these 3080s watercool, but then again this EK Block also has a nice nickel backplate with thermal pads for some additional passive cooling. My 2080Ti Corsair waterblock just had a standard backplate with no cooling properties.
post edited by Audioboxer - 2022/03/20 03:23:51
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 03:23:56 (permalink)
Once you start down the rabbit hole you start questioning your hardware based on random opinions of some who have nothing to do with the manufacturing aspect. You don't need to pull 450w - sure, it's cool but then you get lost in the idea your product isn't performing and then you start to second guess which we are one of the only AIBs who encourage that such as overclocking and some like to undervolt but it's not the end all be all. My opinion - everything looks good based on your screens. There has always been a fascination about power draw with these cards. Basically, MOAR POWA but your benchmarks look good. 

 
 
-Daniel_EVGA
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 03:26:42 (permalink)
EVGATech_DanielM
Once you start down the rabbit hole you start questioning your hardware based on random opinions of some who have nothing to do with the manufacturing aspect. You don't need to pull 450w - sure, it's cool but then you get lost in the idea your product isn't performing and then you start to second guess which we are one of the only AIBs who encourage that such as overclocking and some like to undervolt but it's not the end all be all. My opinion - everything looks good based on your screens. There has always been a fascination about power draw with these cards. Basically, MOAR POWA but your benchmarks look good. 


You can say that again. EVGA customer service must hate getting questions on power draw or even attempted RMAs 😜

Then again EVGA customer is great so I'm sure everyone is happy to help/advise!

I would be undervolting if I were aircooling but as I edited in above I've been super impressed with how much this PCB enjoys being watercooled. Really drops the temps, even when pulling 400w 😱
 

 
Temps over the past 2 hours of testing. No higher than 33.8 degrees (main temp).
post edited by Audioboxer - 2022/03/20 03:30:44
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 03:30:35 (permalink) ☄ Helpfulby Audioboxer 2022/03/20 03:31:41
We don't hate it. Better to ask than not ask at all. Some are dug in and think the card should consume more power thus better output. Not always the case. 

 
 
-Daniel_EVGA
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ty_ger07
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 05:17:56 (permalink)
EVGATech_DanielM
We don't hate it. Better to ask than not ask at all. Some are dug in and think the card should consume more power thus better output. Not always the case. 

It should be able to power balance properly and not power limit early just because one or two unbalanced inputs are over their limit. No?
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 06:50:20 (permalink)
EVGATech_DanielM
Once you start down the rabbit hole you start questioning your hardware based on random opinions of some who have nothing to do with the manufacturing aspect. You don't need to pull 450w - sure, it's cool but then you get lost in the idea your product isn't performing and then you start to second guess which we are one of the only AIBs who encourage that such as overclocking and some like to undervolt but it's not the end all be all. My opinion - everything looks good based on your screens. There has always been a fascination about power draw with these cards. Basically, MOAR POWA but your benchmarks look good. 


I will say, when I got my first 3080 Ti XC3, I was very disappointing as the card was severely power limited. Once EVGA finally got the low power limit issue fixed I couldn't be happier with the card, even with EVGA's spec of a 350 Watt, it performs like a beast. I'm not looking to break bench marking world records, but my goodness the card runs great without eating me out of the house on electricity. Does it bench mark like my 3080 Ti FTW3? No, but it games the same without needing all that power.
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 08:07:08 (permalink) ☄ Helpfulby Audioboxer 2022/03/20 08:44:34
Audioboxer
 
Memory starts crashing Time Spy at 1100, so 1000~1050 seems to be the best I can do.
 
Core clock starts crashing at +165, so I presume if I want to attempt to push more there I would need to play around with the voltage curve. I did that with my 2080Ti (used a curve at 2100 1.093v) but for now I think I'll just stick with +150/+1000~1050.
 
GPU score above improving likely needs core going higher, not memory.

I'm surprised at how well these 3080s watercool, but then again this EK Block also has a nice nickel backplate with thermal pads for some additional passive cooling. My 2080Ti Corsair waterblock just had a standard backplate with no cooling properties.



(I abbreviated your post)
 
Test with even lower Memory OC to see if performance increases   ... crashes are an outright failure of OC.  These new cards will use "error correction" .... so performance can suffer - before crashing occurs ..(edit) If you push the RAM too hard
 
NVIDIA Boost has the last word in your boards final numbers, been that way for several generations.
 
As long as your MHz meet the advertised minimum it is Fine; after that it is the luck of the silicon lottery
 
Getting Max performance before hitting the Watt limit is a Good thing in my book
 
 
EDIT:  added = (edit) If you push the RAM too hard - for clarity
post edited by Cool GTX - 2022/03/20 09:43:11

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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 08:46:44 (permalink)
Cool GTX
Audioboxer

Memory starts crashing Time Spy at 1100, so 1000~1050 seems to be the best I can do.

Core clock starts crashing at +165, so I presume if I want to attempt to push more there I would need to play around with the voltage curve. I did that with my 2080Ti (used a curve at 2100 1.093v) but for now I think I'll just stick with +150/+1000~1050.

GPU score above improving likely needs core going higher, not memory.

I'm surprised at how well these 3080s watercool, but then again this EK Block also has a nice nickel backplate with thermal pads for some additional passive cooling. My 2080Ti Corsair waterblock just had a standard backplate with no cooling properties.



(I abbreviated your post)
 
Test with even lower Memory OC to see if performance increases   ... crashes are an outright failure of OC.  These new cards will use "error correction" .... so performance can suffer - before crashing occurs ..(edit) If you push the RAM too hard
 
NVIDIA Boost has the last word in your boards final numbers, been that way for several generations.
 
As long as your MHz meet the advertised minimum it is Fine; after that it is the luck of the silicon lottery
 
Getting Max performance before hitting the Watt limit is a Good thing in my book
 
EDIT:  added = (edit) If you push the RAM too hard - for clarity




Thanks, I will keep that in mind! It's definitely the core causing the crashing, I've even tried with the memory slider at 0 lol.
 
Speaking of the core, Port Royal will happily complete with an unstable core https://www.3dmark.com/3dm/73317219? That's +200 lol
 
Time Spy is pretty much locked at +150 for me https://www.3dmark.com/3dm/73317601? I got a better score than earlier now though, GPU was up to like 19762.
 
 Max power draw with Time Spy
 

 
400w
post edited by Audioboxer - 2022/03/20 08:48:01
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 09:39:50 (permalink)
 
every benchmark & game having different Max OC stability is normal
 
I'll push each one to the limits while testing & then back off at least 10% from the max settings for stability for daily use

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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/03/20 10:06:46 (permalink)
Once you get your head past running all the benchmarks, best to throw a few AAA Titles at your System.....these will generally sniff out instability, whether it be GPU, CPU or Memory issues.

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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 08:49:56 (permalink)
Posted this in the 3xxx BIOS topic, but bumping this as well. I was right when I made this topic, something is wrong with power draw and it ignoring the 450w BIOS.
 
Now with more knowledge and proper testing with Kombustor and Metro Enhanced Edition, I'm getting heavily power-limited the second anything gets near 400w. It's as if the card is ignoring the 450w BIOS and ignoring being told to use up to 118%.
 

 
Massively power-limited in Kombustor for example, I'm pegged at 400w and the curve about is set for 1.05v and 2160mhz. Something that runs in Metro Exodus Enhanced Edition because it draws around 370~380w max.
 

 
Frequency seen in Metro is 2145~2160mhz.
 
Frequency in Kombustor craters due to hitting power limit. If I run Kombustor with 2100mhz at say 1.0v, it holds 2100mhz no problem. Once I hit 400w though, boom, hits a wall.
 
8 pin #3 seems underutilized and even the PCIe slot could be drawing more.
 
This forum seems to be littered with complaints about the 3080 FTW3 refusing to draw more power, but I haven't been able to find a single solution or EVGA confirming if there is a hardware issue/RMA is needed.
 
Only other thing I can think is the 450w LHR 3080FTW3 BIOS supplied on this forum is not working properly.
 

 
States it should, but I've spoken to multiple people who can easily get Kombustor drawing above 400w. I don't know anyone with an LHR EVGA card though.
 
Edit - After going through the last few pages of this topic I've now sent a support ticket to EVGA to try and clear up what is going on https://forums.evga.com/EVGA-GeForce-RTX-3080-FTW3-XOC-BIOS-m3118560-p42.aspx Seems there are a number of people with the LHR cards refusing to draw more than 400w even with the 450w BIOS.
post edited by Audioboxer - 2022/04/08 09:26:39
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 10:15:12 (permalink)
In your screenshot, PCI-E #2 is at 150 watts, PCI-E #3 is at 70 watts. Where do you think the missing power is? It is being limited by PCI-E #2 being at max. EVGA wants you to believe that power balance doesn't matter, but it does.
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 10:24:44 (permalink)
ty_ger07
In your screenshot, PCI-E #2 is at 150 watts, PCI-E #3 is at 70 watts. Where do you think the missing power is? It is being limited by PCI-E #2 being at max. EVGA wants you to believe that power balance doesn't matter, but it does.



So what, it's a hardware problem? Does this mean every EVGA card can't actually properly hit 450w? I've seen quite a number of other manufacturers cards happily go over 400w.
 

 
Here is Kombustor when just by chance the voltage/frequency selected end up drawing just under 400w, so it maintains frequency fine, no power limit wall hit.
 
I might have a look and see if there is a BIOS from another manufacturer with a 450w+ power limit for an LHR 3080. That will quickly rule out if it's anything to do with this BIOS. The ASUS Strix OC is an LHR 3 pin 3080. Will try a BIOS from it.
 
If it's not the BIOS then this is a hardware fault?
post edited by Audioboxer - 2022/04/08 10:34:41
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 10:53:23 (permalink)
Flashed this Asus Strix 450w LHR BIOS in the off chance it might help
 

 
Ends up being even worse lol, struggle to draw over 330w now.
 
Didn't think it would be that easy to fix, but I guess this suggests EVGA could sort it with the BIOS if they tried...
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 11:52:34 (permalink)
This is what a good power balance on a 3080 FTW3 looks like:
 

 
 
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 11:57:33 (permalink)
kevinc313
This is what a good power balance on a 3080 FTW3 looks like:
 

 
 




Yeah that's perfect, so my card is faulty then? Given this is a "2022" model on the basis of being shipped out like a month or so ago, that is incredibly disappointing if EVGA haven't fully remedied something people have been complaining about for well over a year.
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 11:59:49 (permalink)
Audioboxer
kevinc313
This is what a good power balance on a 3080 FTW3 looks like:
 

 
 




Yeah that's perfect, so my card is faulty then? Given this is a "2022" model on the basis of being shipped out like a month or so ago, that is incredibly disappointing if EVGA haven't fully remedied something people have been complaining about for well over a year.




Not sure about your card.  The readout from the card above is from literally the first batch of 3080 FTW3 Hybrids in the US, Dec '20.
 
If your card can't draw 380w at stock settings, warranty it.
 
However, based on your benchmarks and high clocks, you are probably getting full power but the card is under reporting it by quite a bit.  You can try putting the PC on a kill-a-watt with and without the card installed, then estimate based on ~90% PSU efficiency.  Or try a current clamp meter on the PSU cables.
post edited by kevinc313 - 2022/04/08 12:04:05
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 12:02:57 (permalink)
kevinc313
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This is what a good power balance on a 3080 FTW3 looks like:
 

 
 




Yeah that's perfect, so my card is faulty then? Given this is a "2022" model on the basis of being shipped out like a month or so ago, that is incredibly disappointing if EVGA haven't fully remedied something people have been complaining about for well over a year.




Not sure about your card.  The readout from the card above is from literally the first batch of 3080 FTW3 Hybrids in the US, Dec '20.




I would like to say pre-LHR then, however this forum has quite a few pre-LHR owners with the same issue.
 
I seen Jacob was supposed to give an update on the problem in... 2021, and never did, so it looks like it could be a sweep under the rug from EVGA and a "Did you know we now sell Ti cards featuring 450w out of the box!".
 
Pin 3 going to 120w is the main difference in that picture above, my pin 3 is stuck at like 75w.
 
At this point I'm just going to see what CS say in a reply to a ticket and then thanks to your picture above I can further press them on why some 3080 FTW3 Ultra will go to 450w.
post edited by Audioboxer - 2022/04/08 12:04:20
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 12:07:41 (permalink)
Audioboxer
kevinc313
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kevinc313
This is what a good power balance on a 3080 FTW3 looks like:
 

 
 




 
 
Yeah that's perfect, so my card is faulty then? Given this is a "2022" model on the basis of being shipped out like a month or so ago, that is incredibly disappointing if EVGA haven't fully remedied something people have been complaining about for well over a year.




Not sure about your card.  The readout from the card above is from literally the first batch of 3080 FTW3 Hybrids in the US, Dec '20.




I would like to say pre-LHR then, however this forum has quite a few pre-LHR owners with the same issue.
 
I seen Jacob was supposed to give an update on the problem in... 2021, and never did, so it looks like it could be a sweep under the rug from EVGA and a "Did you know we now sell Ti cards featuring 450w out of the box!".
 
Pin 3 going to 120w is the main difference in that picture above, my pin 3 is stuck at like 75w.
 
At this point I'm just going to see what CS say in a reply to a ticket and then thanks to your picture above I can further press them on why some 3080 FTW3 Ultra will go to 450w.




Doesn't your HX1000i have Corsair Link Digital support? Doesn't that have an integrated current/power meter?  Check the 12V reading for idle vs. load.  Idle at 210mhz is like 25w.
post edited by kevinc313 - 2022/04/08 12:11:02
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 12:12:32 (permalink)
kevinc313
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This is what a good power balance on a 3080 FTW3 looks like:
 

 
 




 
 
Yeah that's perfect, so my card is faulty then? Given this is a "2022" model on the basis of being shipped out like a month or so ago, that is incredibly disappointing if EVGA haven't fully remedied something people have been complaining about for well over a year.




Not sure about your card.  The readout from the card above is from literally the first batch of 3080 FTW3 Hybrids in the US, Dec '20.




I would like to say pre-LHR then, however this forum has quite a few pre-LHR owners with the same issue.
 
I seen Jacob was supposed to give an update on the problem in... 2021, and never did, so it looks like it could be a sweep under the rug from EVGA and a "Did you know we now sell Ti cards featuring 450w out of the box!".
 
Pin 3 going to 120w is the main difference in that picture above, my pin 3 is stuck at like 75w.
 
At this point I'm just going to see what CS say in a reply to a ticket and then thanks to your picture above I can further press them on why some 3080 FTW3 Ultra will go to 450w.




Doesn't your HX1000i have Corsair Link Digital support? Doesn't that have an integrated current/power meter?  Check that for each power port.




iCUE is pretty decent for showing some info
 

 
Would it be the 12v power I monitor?
 
A core frequency of around 2160 is basically where a card will tap out with a 400w max power draw. So that lines up with the wall I have. I can't seem to get over 400w, therefore, trying to run above 2160 is basically a no-go with any serious load.
 
edit - Just so it's clear, a game is loaded above, hence 192w. Desktop drops to about 70~80w on 12v power.
 
 
post edited by Audioboxer - 2022/04/08 12:17:03
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 12:18:27 (permalink) ☄ Helpfulby Audioboxer 2022/04/08 12:19:45
Audioboxer
iCUE is pretty decent for showing some info
 

 
Would it be the 12v power I monitor?
 
A core frequency of around 2160 is basically where a card will tap out with a 400w max power draw. So that lines up with the wall I have. I can't seem to get over 400w, therefore, trying to run above 2160 is basically a no-go with any serious load.
 
 




There is no way your card is doing THIS without the full 450w:
 

 
It's likely just under reporting.  Watch the "12V power" in the Corsair readout at idle vs. maxed out in Furmark, and subtract the change in CPU power use.  I bet its a 400w+ difference.
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 12:24:44 (permalink)
kevinc313
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iCUE is pretty decent for showing some info
 

 
Would it be the 12v power I monitor?
 
A core frequency of around 2160 is basically where a card will tap out with a 400w max power draw. So that lines up with the wall I have. I can't seem to get over 400w, therefore, trying to run above 2160 is basically a no-go with any serious load.
 
 




There is no way your card is doing THIS without the full 450w:
 

 
It's likely just under reporting.  Watch the "12V power" in the Corsair readout at idle vs. maxed out in Furmark, and subtract the change in CPU power use.  I bet its a 400w+ difference.




I'll check that now. The screenshot above IIRC reported as a 2160mhz in a TimeSpy run. Even though it says 2220mhz in HWINFO, I believe that was like if I do this
 

 
Sure, the GPU now registers as running at 2220mhz at 1.1v, but there is absolutely no load on it lol. So the max reported frequency is likely from a super light load/when 3DMark first begins, or something.
 
Given the frequency other people have achieved with proper cooling on a 3080, I just can't see how I'm doing much more than 400w when my wall is at like 2160mhz. I've seen a few manage nearer 2200mhz.
 
But that was useful info with iCUE, I will now go do some testing with various loads and subtract from roughly 80w as "idle" from the 12v power reading.
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Re: 3080 FTW3 Ultra not going over 400w even with 450w bios? 2022/04/08 12:38:05 (permalink)
kevinc313
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iCUE is pretty decent for showing some info
 

 
Would it be the 12v power I monitor?
 
A core frequency of around 2160 is basically where a card will tap out with a 400w max power draw. So that lines up with the wall I have. I can't seem to get over 400w, therefore, trying to run above 2160 is basically a no-go with any serious load.
 
 




There is no way your card is doing THIS without the full 450w:
 

 
It's likely just under reporting.  Watch the "12V power" in the Corsair readout at idle vs. maxed out in Furmark, and subtract the change in CPU power use.  I bet its a 400w+ difference.






 
Ok, so this is idle on GPU. Occasionally drops to like 76w, or bumps slightly to low 80s, but I'd say 80w is fair for idle.
 

 
First curve in Kombustor that has GPU-Z/HWINFO reading about 390w.
 
iCUE is 510w.
 
510 - 80 = 430w.
 

 
Second curve, has a slightly higher frequency target/voltage, pegs GPU-Z and HWINFO to 400w.
 
iCUE hits 522w, though it wasn't perfectly held, dropping to 510~516w.
 
522 - 80 = 442w.
 
Soooo, underreporting??? Of course we're now relying on doing manual numbers based on what the power supply tells the iCUE software.
 
If I am above 400w, I guess my question would be anyone achieving like 2200mhz+ or running 1.1v, are they using BIOS even higher than 450w??? Shunt mods???
 
edit - Wait, is the CPU off the 12v as well? That would contribute something under a Kombustor load, even if it isn't hit too heavy with it. So until I know if the CPU is contributing wattage to that 12v power when off idle I don't think we're out of the woods yet declaring this simply as GPU underreporting.
post edited by Audioboxer - 2022/04/08 12:48:11
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