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GPU usage (HD7990)

Daniel123dk
By Daniel123dk
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Try AMD Pre-defined profile.

either i dont know how crossfire is supposed do work, but the gpu1 is running at 70% load and the other is running between 5-20% at load, is that just how it is? keep in mind, it doesnt run over the 100fps i want

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either i dont know how crossfire is supposed do work, but the gpu1 is running at 70% load and the other is running between 5-20% at load, is that just how it is? keep in mind, it doesnt run over the 100fps i want

It could be the profile that AMD has chosen to provide with that game. Play around with the other settings to see if you can get improved performance or GPU usage.

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It could be the profile that AMD has chosen to provide with that game. Play around with the other settings to see if you can get improved performance or GPU usage.

ill do that yes :)

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It could be the profile that AMD has chosen to provide with that game. Play around with the other settings to see if you can get improved performance or GPU usage.

Well, opening gpu-z revealing that the card has no disabled cores, the card is just still running on the single one of them, i think thats weird.

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Well, opening gpu-z revealing that the card has no disabled cores, the card is just still running on the single one of them, i think thats weird.

This is very wierd, as far as I remember, hd6990 and hd7990 had forced xfire (that cannot be disabled manually, only didn't work if the game didn't support it). So I'm betting the driver went nuts. Try rolling back to the newest stable (or the one that at least supports bf4 and see what happens)

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This is very wierd, as far as I remember, hd6990 and hd7990 had forced xfire (that cannot be disabled manually, only didn't work if the game didn't support it). So I'm betting the driver went nuts. Try rolling back to the newest stable (or the one that at least supports bf4 and see what happens)

Gpu-z tells me that there's 2 gpu's, i Think that battlefield 4 doesn't have a proper crossfire support for the 7990.

How can i roll back my drivers?

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Please stick to one thread; NOT three different ones about the same thing.

 

I posted on one of your other threads, but here you go...

 

 

I can verify BF4 has Crossfire support -- I am running two HD 7970's in Crossfire (basically your HD 7990).

Make sure you are running the game in Full-Screen mode. Not Borderless. Not Windowed.

 

You mentioned GPU-Z detects two GPU's, BUT does it say Crossfire Enabled??

Capture4

 
And...how to Enable Crossfire in Crimson...four steps...

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-snip-

@-rascal-, you cannot enable xfire on a hd7990/6990 (checked it) because it is always ON. You might be right on the windowed mode thing though, I've heard that if you use boderless setting in crysis 2, it uses only one GPU on hd7990 (people did this in order to avoid stuttering).

@Daniel123dk, download manually old drivers from AMD website and use DDU to uninstall current version you have.

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@-rascal-, you cannot enable xfire on a hd7990/6990 (checked it) because it is always ON. You might be right on the windowed mode thing though, I've heard that if you use boderless setting in crysis 2, it uses only one GPU on hd7990 (people did this in order to avoid stuttering).

@Daniel123dk, download manually old drivers from AMD website and use DDU to uninstall current version you have.

I have tried, but I dont seem to find old drivers on amd website. They want me to install crimson

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I have tried, but I dont seem to find old drivers on amd website. They want me to install crimson

that sucks, I've only found this: http://support.amd.com/en-us/download/desktop/previous?os=Windows%207%20-%2064

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Wow, how did I not find that, thanks :-)

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@-rascal-, you cannot enable xfire on a hd7990/6990 (checked it) because it is always ON. You might be right on the windowed mode thing though, I've heard that if you use boderless setting in crysis 2, it uses only one GPU on hd7990 (people did this in order to avoid stuttering).

@Daniel123dk, download manually old drivers from AMD website and use DDU to uninstall current version you have.

and what is DDU?

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and what is DDU?

Display Driver Uninstaller. It's a program that is used to remove AMD, Intel, and NVIDIA drivers - every file, to ensure everything is gone and there is no interference with other drivers.

"It pays to keep an open mind, but not so open your brain falls out." - Carl Sagan.

"I can explain it to you, but I can't understand it for you" - Edward I. Koch

"I didn't die! I performed a tactical reset!" - Apollolol

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Display Driver Uninstaller. It's a program that is used to remove AMD, Intel, and NVIDIA drivers - every file, to ensure everything is gone and there is no interference with other drivers.

Okay thank you :)

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Okay thank you :)

You can find it here if you want it: http://www.guru3d.com/files-details/display-driver-uninstaller-download.html

"It pays to keep an open mind, but not so open your brain falls out." - Carl Sagan.

"I can explain it to you, but I can't understand it for you" - Edward I. Koch

"I didn't die! I performed a tactical reset!" - Apollolol

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Well, at some point, ive solved my problem, I have tried the newest crimson driver, named 16.XX something, my gpu crossfire wasnt working, i tried alot of different CCC drivers, without luck, but, installing the crimson 15.11, i was able to use my second gpu on the card to its full potential :D

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