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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1044

post #10431 of 38704
Thread Starter 
Quote:
Originally Posted by Ottesen View Post

Man prices have dropped, i regret buying the cards so early. frown.gif

I got my 7970 on release day and my 2nd one after the price drop. 

I'm mostly a happy camper. :)

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post #10432 of 38704
I know I found a good crossfire vs. trifire review before but I can't seem to find where I found it every time I google "7970 trifire" i get that stupid review with 680 vs. 7970. Anyone know where I can find a solid trifire vs. crossfire review ?

Second question. I have two 7970's now if for some reason I bought another 7990 would I be able to do quadfire with (2x7970's and 7990) or do you need to have (4x7970) or (2x7990) for quad fire ?
 
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post #10433 of 38704
Quote:
Originally Posted by UNOE View Post

I know I found a good crossfire vs. trifire review before but I can't seem to find where I found it every time I google "7970 trifire" i get that stupid review with 680 vs. 7970. Anyone know where I can find a solid trifire vs. crossfire review ?
Second question. I have two 7970's now if for some reason I bought another 7990 would I be able to do quadfire with (2x7970's and 7990) or do you need to have (4x7970) or (2x7990) for quad fire ?

What do you want to know about cfx vs trfire? Check the Heaven 3.0 thread and you can see my scaling in my last post in it.

As for cards, you can do any combo of 79xx cards together. Although your board is limited to pcie 2.0 due to the nf200 chip. It's just something to keep in mind.



I need to get a new board cuz I sold the wife's 1366 setup lol. I'm looking at the G1 Sniper 3, yum or maybe the new Revo. Both those boards have the new PLX 3.0 switch no more nf200.
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post #10434 of 38704
F$&k. My accelero 7970 had some high idle temps and i waa still hitting 65c with the fans full open in-game so I decided to check the mount again and guess what, one screw felt really loose. So, i was like, k imma fasten it a bit more. Was I ever wrong. Threads on the screw are buggered up... I hope and pray to god that the brackets threading is ok...

I managed to make the card at least work again by making a spacer for the screw so that the damaged part doesn't reach the thread anymore but I can't fasten it nearly as tight as it should be...

Temps on stock vgpu are fine to run with till replacement comes in, only 52c fully loaded with Heaven.

However, if I apply my before stable OC, 1250Mhz with 1.262v, the cards temps jump up rapidly to ~70c and then it just loses signal to my monitors. A reset of the PC results in a No VGA Detected bleepcode. A hard restart with power off - on works and the cards ok but is that caused by the mount being too bad? I mean, it goes out at only 70c orso... Or is the card itsself also damaged even if it runs max CCC clocks stable with the crapped cooler..
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post #10435 of 38704
Quote:
Originally Posted by tsm106 View Post

What do you want to know about cfx vs trfire? Check the Heaven 3.0 thread and you can see my scaling in my last post in it.
As for cards, you can do any combo of 79xx cards together. Although your board is limited to pcie 2.0 due to the nf200 chip. It's just something to keep in mind.
I need to get a new board cuz I sold the wife's 1366 setup lol. I'm looking at the G1 Sniper 3, yum or maybe the new Revo. Both those boards have the new PLX 3.0 switch no more nf200.

Yeah I plan on doing x79 or z77. I'm just waiting to see what chip I'll get from IRE. I need to drop the nf200. I still want to find that review that I say from launch week though.
Edit : I also just spent about 5 minutes trying to find your score.
Edited by UNOE - 5/7/12 at 12:20am
 
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post #10436 of 38704
Quote:
Originally Posted by UNOE View Post

Yeah I plan on doing x79 or z77. I'm just waiting to see what chip I'll get from IRE. I need to drop the nf200. I still want to find that review that I say from launch week though.
Edit : I also just spent about 5 minutes trying to find your score.
Quote:
Originally Posted by tsm106 View Post

1 - 64 fps
2 - 125 fps diff 61
3 - 184 fps diff 59

I linked the screens in for ya. Clocks are all around 1300/1750.
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post #10437 of 38704
Quote:
Originally Posted by tsm106 View Post

I linked the screens in for ya. Clocks are all around 1300/1750.
That is wonderful amazing scaling. smile.gif
Edit : min FPS had some drops it seems with the third card do you have noticeable stutter with third card ?
Edited by UNOE - 5/7/12 at 1:06am
 
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post #10438 of 38704
Quote:
Originally Posted by UNOE View Post

That is wonderful amazing scaling. smile.gif
Edit : min FPS had some drops it seems with the third card do you have noticeable stutter with third card ?

The dual min is a fluke and more a function of when you hit the bench start button. If you compare the single and tri min, it's where it should be. And more importantly, what is stutter? biggrin.gif
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post #10439 of 38704
I think I have posted here and asked before but I don't remember and I haven't found a solution so I'll ask here again.

Any crossfire owners having issue with stuttering? I have seen videos of GTX 680 SLI and when it's at 100fps, it stays at 100fps, maybe +/- 1-3fps but it is pretty consistent throughout in games. Or when the fps drops, it drops with a smooth transition.

Here is the list of games I play: BF3, L4D2, Crysis 1/2, Metro 2033, Witcher2, and MW3. The only games that are flawless are BF3 and L4D2. That's quite sad considering more than half my games have problems on my $1200 cards. BF3, and L4D are smooth. I play with vsync on to reduce screen tearing and it stays at a solid 60fps 99% of the time. No fluctuations what so ever no matter what's going on in-game.

The other games however, are jerky. I have tried RC11 all the way up to 12.4 and am on RC11 atm and have tried all CAPs. Each driver was a clean Win7 install to rid of old lurking registry files. Here is my experience with the aforementioned games:

Vsync on: Games would start at 60fps but would very occasionally drop down to 57-59 causing a second of lag, stutter, jerkiness. It takes away from the gameplay as I'm trying to aim down my iron sights and then it jerks. This would seem to happen randomly, not only when there's something intense stressing my GPUs. I can be looking at the ground and wall and this would happen. The drop is SO sudden that's why it causes this stutter. This happens about once a minute or two so it's pretty frequent and annoying.

Vsync off just to see if it's a vsync problem: Games would be around 120fps but would suddenly drop down to 80s in a split second and shoot back up and again, same experience with vsync on. I get a lot of spiking with vsync on/off and I don't know how to fix it.

Everything is at stock 925/1375 and I have tried OCing 1000/1500, up to 1125/1575 with no difference. Just added heat and fan noise. I have been living with this for the past months since I stopped playing BF3 and other games. If anyone has suggestion or idea of how to fix, it would be appreciated. However, Kyle from [H]forums also said that 7970 CF was not smooth compared to 680SLI even if 7970CF had higher FPS.
post #10440 of 38704
Thread Starter 

CF at the moment isn't smooth in most games that I have tested...

I do experience stuttering as well. 

 

We'll probably have to wait until Catalyst 12.6 to see if anything changes. 

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