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NVIDIA GTX 1080 Ti Owner's Club - Page 473

post #4721 of 10848
Quote:
Originally Posted by Benny89 View Post

Guys, for AIBs- do you still use that AB custom voltage curves thing or do you use some new AB version where we can finally just apply voltage with slider?
Quote:
Originally Posted by ThingyNess View Post

Which version of the Aorus Extreme BIOS are you running? There are actually four in the wild apparently (F1, F2, F3, F4) with reports that some of them actually have different power targets. Some people were unhappy when they found out that their Aorus Extreme only had the TDP slider going up to +25%, but your results make sense now if the base had been raised from 250-300w.

Interestingly, the BIOS shipped to reviewers is definitely 250W by default with a +50% adjustment limit, as shown in TechPowerUp's review - it's the same one they posted in their BIOS database as well - from the text string it looks to be F3.

https://www.techpowerup.com/vgabios/190959/gigabyte-gtx1080ti-11264-170331
yeah, im not sure but it's what they7 sent me. i had heard they did a last minute bios revision and that is why they delayed launch by a couple weeks.
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post #4722 of 10848
Quote:
Originally Posted by ThingyNess View Post

It really irritates me that all the programs seem to want to quote the TDP numbers in percent rather than absolute values, which I think also confuses the issue as not everyone understands that 110% on the ASUS bios is not the same as 110% on the FE bios.

If you want absolute numbers, a quick and easy test is FurMark, as much as I know KedarWolf doesn't like it. It definitely blew up some VRMs a few generations of cards ago back before TDP limiting and monitoring was a thing, but on modern cards it's no harder on the card than anything else.

Try FurMark with the FE BIOS' TDP slider maxed out, and then with the ASUS BIOS' TDP slider maxed out. If you're worried about the health of your GPU and/or VRMs, only run it for as long as necessary for temps/clocks to stabilize.

Rather than using GPU-Z or Afterburner's percentages, if you want to really see the absolute power consumption that NVidia thinks the card is using, just add '-l 1' to the nvidia-smi.exe command to make it run in a continuous 1000ms polling loop and keep the window open with FurMark running.
Code:
nvidia-smi -q -d power -l 1

You should see your max power draw hitting very close to the advertised TDP limits within a few seconds of FurMark running, unless your limits are so high that even FurMark doesn't power throttle the GPU (my 1070 is fairly close actually, I can sustain 1923-1950mhz and with another 20w I'd probably be there)

With the stock non-OC bios and its 170W TDP limit the card would pull way back into the 1700s in FurMark.
Code:
==============NVSMI LOG==============

Timestamp                           : Mon Apr 10 17:10:15 2017
Driver Version                      : 381.65

Attached GPUs                       : 1
GPU 0000:02:00.0
    Power Readings
        Power Management            : Supported
        Power Draw                  : 196.80 W
        Power Limit                 : 200.00 W
        Default Power Limit         : 166.10 W
        Enforced Power Limit        : 200.00 W
        Min Power Limit             : 75.00 W
        Max Power Limit             : 200.00 W
    Power Samples
        Duration                    : 2.37 sec
        Number of Samples           : 119
        Max                         : 199.14 W
        Min                         : 173.41 W
        Avg                         : 192.07 W
i always run hardwaremonitor and gpu-z, b/c HWMonitor has EVERY value you could want measured. It's the best.
Edited by Slackaveli - 4/10/17 at 6:43pm
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post #4723 of 10848
Quote:
Originally Posted by Slackaveli View Post

i always run hardwaremonitor and gpu-z, b/c HWMonitor has EVERY value you could want measured. It's the best.

Nothing beats a PSU that can measure everything itself tongue.gif
post #4724 of 10848
Thread Starter 
Quote:
Originally Posted by ThingyNess View Post

I didn't see anyone make a note of it in this thread, but for reference in case anyone gets a 1080Ti for which there isn't a BIOS dump / analysis yet.
Rather than digging through the code and hex values like I've been doing, if you actually have the card in hand:

Load up a command prompt (cmd) and copy/paste the following:
Code:
"C:\Program Files\NVIDIA Corporation\NVSMI\nvidia-smi.exe" -q -d power

You'll see a nice little text output like this (it's from my 1070 as i'm still waiting on my 1080Ti to arrive)
Code:
Timestamp                           : Mon Apr 10 15:15:39 2017
Driver Version                      : 381.65

Attached GPUs                       : 1
GPU 0000:02:00.0
    Power Readings
        Power Management            : Supported
        Power Draw                  : 35.86 W
        Power Limit                 : 199.32 W
        Default Power Limit         : 166.10 W
        Enforced Power Limit        : 199.32 W
        Min Power Limit             : 75.00 W
        Max Power Limit             : 200.00 W
    Power Samples
        Duration                    : 2.69 sec
        Number of Samples           : 119
        Max                         : 36.45 W
        Min                         : 8.99 W
        Avg                         : 32.49 W

This also gives you an easy way to see absolute TDP numbers rather than percentages like GPU-Z gives you, which is nice.

From this, you can also see that the sliders in most GPU tweaking software seem to round to the nearest integer percentage. For example my slider only goes to 20%, which gives me 166.1w * 1.2 = 199.32w, even though the card technically supports 200w. If you really want that last .68w of TDP headroom, you can actually use nvidia-smi to set the power limit via the command prompt.

This is also handy if you want to add the command to a batch file and increase your TDP limit without having to have any OC software start up in the background, as they eat up memory and (rarely) have negative interactions with certain games.

To set a new power target, make sure you run the command prompt or batch file with admin rights, and type:
Code:
"C:\Program Files\NVIDIA Corporation\NVSMI\nvidia-smi.exe" -pl <newpowerlimit>

The output should look something like this, which for me gave me the extra .68w of TDP that my 1070 Strix OC BIOS was capable of that Afterburner and the ASUS Gpu-Tweak utilities weren't giving me smile.gif
Code:
C:\WINDOWS\system32>"C:\Program Files\NVIDIA Corporation\NVSMI\nvidia-smi.exe" -pl 200
Power limit for GPU 0000:02:00.0 was set to 200.00 W from 199.32 W.
All done.

Seems to me mine is already maxed out.

Attached GPUs : 2
GPU 0000:01:00.0
Power Readings
Power Management : Supported
Power Draw : 12.83 W
Power Limit : 300.00 W
Default Power Limit : 250.00 W
Enforced Power Limit : 300.00 W
Min Power Limit : 125.00 W
Max Power Limit : 300.00 W
Power Samples
Duration : 20.93 sec
Number of Samples : 119
Max : 15.52 W
Min : 10.91 W
Avg : 11.49 W
    
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post #4725 of 10848
someone just doesnt want me to get a 1080ti. So I preordered an EVGA 1080ti SC with my discover card 2 weeks ago? And last week my wife lost her Discover card. So I had to cancel the cards (they use the same #). I talked to EVGA today in hopes of just prepaying the total. But no, they dont do that. I have to wait for the preorder to fill, try to bill on a credit card that no longer exists, then wait for an email from EVGA to update my billing info. During this time I will likely lose my preorder. OMG mad.gif
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post #4726 of 10848
I picked up a MSI 1080 Ti SEA HAWK X, can't wait to overclock that monster!
post #4727 of 10848
I wish I had waited a few weeks lol. I could of gotten this for much cheaper than going FE+G10...
    
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post #4728 of 10848
Quote:
Originally Posted by optimus002 View Post

I wish I had waited a few weeks lol. I could of gotten this for much cheaper than going FE+G10...

Well the g10 will stay with you for other gpu, it's a one time investment at least.
post #4729 of 10848
The voltage curve thing is driving me nuts. It never stays the same. I can make the same curve and will get no perfcaps one time and perfcaps a second time. Or the curve will load differently with every reboot. Or I make a curve testing the exact same voltage and clock and have different results because the other points on the curve are slightly different.

Sent from my MHA-L29 using Tapatalk
post #4730 of 10848
Quote:
Originally Posted by SlimJ87D View Post

Well the g10 will stay with you for other gpu, it's a one time investment at least.
That's true.
    
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