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[Official] NVIDIA GTX 780 Ti Owner's Club - Page 941

post #9401 of 16492
Quote:
Originally Posted by mcg75 View Post

See if you can get another copy of the file and try it. Your commands are right.

I think I screwed up when I saved the bios from GPU-Z. I ended up opening it in wordpad for some reason and now instead the icon next to the rom file being completely blank it has wordpad next to it. Is that why it isn't working? Its the only thing I can think of. I've tried multiple copies.
post #9402 of 16492
Quote:
Originally Posted by Jodiuh View Post

Ok, I used EZFlash and the MSI BIOS.

My clock is all over the place...1210, 1046, etc. Voltage is bouncing around too.

This should not be happening, right? I was under the impression my clocks would STAY @ 1210 and my voltage would STAY @ 1.2.

It is perfectly normal for clocks and voltage to change under unsteady load. Gaming and similar loads are generally somewhat unsteady because what is being rendered changes all the time. Voltage will change to match the appropriate voltage level for the clock speed - the two will always change together.

The reason they change is because different tasks produce different load on the GPU. Not all loads make the CPU produce as much heat, even if they run at the same clock speed. So if the card is bumping along it's set TDP limit, if a few lightweight frames are getting rendered the clock speed will go up and it'll still stay within the TDP. On heavier frames, the TDP will go up and the card will clock back accordingly.

As I said before the headline default and boost clock speeds are nothing more than a marketing con, because all cards will throttle below default clocks when idle and boost above the boost clocks under load if the temperature limit, power limit, voltage limit and maximum clock limit allow.

Bouncing clocks are actually bad for performance - every time the clock speed transition occurs, all the pipelines in the processor have to get flushed before the state is transitioned. This costs you a few clock cycles at every transition. It can also cause stutter during play, but this is to some extent covered up by the fact that at least one frame is always pre-rendered.

If you are tuning for actually using the card for a real purpose (e.g. gaming or computation) rather than some arbitrary bragging rights, and you find the clock speed is all over the place under long term load (e.g. I find my clock/voltage settles after 10 seconds or so and doesn't move much after that) you can limit the maximum boost clock so that under maximum steady state load it never hits the power/thermal/voltage limits; it should hit maximum boost first, which will cause it to just stay there. It will reduce your maximum frame rate (on those easy to render frames), and thus lower your benchmark results, but it will improve the fps stability and under a stady state load (e.g. computation), improve overall performance slightly. Note that the maximum boost clock is not the same as the boost clock shown by GPU-Z. Dump the BIOS and open it in KBT, on the first tab you'll see what the maximum boost clock is set to.

From the screenshot you posted, that looks fine. A clock speed transition every few seconds is fine. It's when the clock speed starts transitioning on most readings that the performance will deteriorate.
post #9403 of 16492
Quote:
Originally Posted by wiredg View Post

Quote:
Originally Posted by Jodiuh View Post

Ok, when I first start the game it bounces for a bit, then settles in. But it does still drop occasionally. Have a look...

That looks like normal throttling to me. You mentioned BF4, which is not very demanding (broken, yes, but not demanding). There will be times when the card doesn't have a lot to do relative to its capability.

That pic was a best case scenario I think. I've been playing for an hour now and it will drop 300 MHz and I'll lose 30 frames. The drops using the stick BIOS were never more than 20 MHz.
post #9404 of 16492
Quote:
Originally Posted by Jodiuh View Post

Ok, I used EZFlash and the MSI BIOS.

My clock is all over the place...1210, 1046, etc. Voltage is bouncing around too.

This should not be happening, right? I was under the impression my clocks would STAY @ 1210 and my voltage would STAY @ 1.2.

EDIT: Valley stays @ 1210/1.2V. BF4 is not playing nice for some reason.

Wait, we can raise volts on these MSI cards w/ flashed BIOS?

This should be interesting. Thermal limits are very far away with stock BIOS and AB's limited overvolting.
post #9405 of 16492
Quote:
Originally Posted by wiredg View Post

I'm sure you already thought of this, but just to make sure. You are checking inspector with the card under load, right? because it will still throttle normally. If you haven't already, run a gfx benchie windowed and look at inspector; current clock and est max should look the same under load. If not, then perhaps inspector won't work with your card?
The overclock applies for benches, but not for games. No matter what game I play, the clock never rises above the stock 1084 speed. It's really weird, because this is the first card I've ever had that won't run the overclock I've applied.

The 780 ti Windforce 3x is a fairly popular card. There has to be some kind of fix for this.
post #9406 of 16492
Quote:
Originally Posted by lantern48 View Post

The overclock applies for benches, but not for games. No matter what game I play, the clock never rises above the stock 1084 speed. It's really weird, because this is the first card I've ever had that won't run the overclock I've applied.

The 780 ti Windforce 3x is a fairly popular card. There has to be some kind of fix for this.

What is your GPU usage being pegged at?

The card is not going to run at full frequency in games if the demand from the game is not there.

In most benches, GPU usage gets pegged at 99%.
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post #9407 of 16492
Quote:
Originally Posted by mcg75 View Post

What is your GPU usage being pegged at?

The card is not going to run at full frequency in games if the demand from the game is not there.

In most benches, GPU usage gets pegged at 99%.
Is there a way to permanently set a higher core clock? The reason being is that I still drop below 60fps in most newer games. I'm more concerned with the minimum framerate than the max. Running at 1084 still causes dips below 60fps, so I'd like to have a higher frequency that is applied at all times to help with that. Overclocking does me no good if it won't apply the clocks I'm setting unless a certain load requirement is met. Plenty of games don't use much GPU power, but would benefit from a higher OC.

For example: Borderlands 2 uses 30%-40% of GPU power, but I dip below 60fps in extreme battles. The overclock does not apply because the load is not enough, so I'm not getting those extra FPS to help minimize the dips. There has to be a way to force the overclock I want to run at all times, right?
Edited by lantern48 - 3/29/14 at 4:20pm
post #9408 of 16492
Got my second card today!
Better SLI bridges & backplates on the way.
Finally found some backplates and there were only few left.
They sell out in a day or two, kinda ridiculous.




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post #9409 of 16492
Don't you have those cards the other way round? The ACX at bottom should have access to air easier and the reference blower up top won't be starved for air.
post #9410 of 16492
Quote:
Originally Posted by lantern48 View Post

Is there a way to permanently set a higher core clock? The reason being is that I still drop below 60fps in most newer games. I'm more concerned with the minimum framerate than the max. Running at 1084 still causes dips below 60fps, so I'd like to have a higher frequency that is applied at all times to help with that. Overclocking does me no good if it won't apply the clocks I'm setting unless a certain load requirement is met. Plenty of games don't use much GPU power, but would benefit from a higher OC.

For example: Borderlands 2 uses 30%-40% of GPU power, but I dip below 60fps in extreme battles. The overclock does not apply because the load is not enough, so I'm not getting those extra FPS to help minimize the dips. There has to be a way to force the overclock I want to run at all times, right?

In the Nvidia control panel, do you have the cards set to prefer maximum performance?
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