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HD7950 performance issues

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#1
I received my new XFX DoubleD HD7950 two days ago, and promptly installed the Catalyst 12.6 Beta drivers. Played some TF2 with the card at stock which at first was flickering badly on the bottom inch of the screen, but once I set the resolution to native and such it went away. I then decided to try some benchmarking with FurMark and 3DMark06, and noticed I was getting terrible framerates in both (30 FPS in FurMark at stock, which was worse than my 6950 was!). So, after looking around in CCC and such, I decided to turn up the Power Control slider to +20%, and my framerate almost doubled in both FurMark and 3DMark06, which I though was pretty weird because the card shouldn't be throttling at 800/1250 despite having 100% GPU usage.

So them, I began playing around with the clocks, and have currently settled with 1000/1500 at 1.025v as this card gets pretty damn hot (like, 80c+ very fast in FurMark with the fans blaring). Since I have the card stabilized now to the best of my knowledge, I decided to start running Folding@Home on it again while watching the clocks. The problem I'm having is that the GPU usage is going all over the place and not staying at 100%. I opened MSI Afterburner and the usage suddenly went back to 100%, but when the computer has been idle for less than a few minutes the GPU usage starts going all over the place again until I move the mouse.

Anyone else experiencing this? I have a feeling there's a bug with PowerTune as well, as this card performs quite poorly in Tribes:Ascend as well. The GTX 460 1GB I had in here briefly before it shorted out and caught on fire ran Tribes perfectly maxed out at 60FPS without a single hiccup, but like my old 6950, the game is a stuttering POS and my framerate goes from 40-60. There's no reason I should have to turn up the slider to run the card optimally at stock, much less overclocked...

 

erocker

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#2
Seems as if you may have a bad driver install/driver conflicts happening. You may want to try using something like Driver Sweeper after uninstalling your drivers. If it's not that, based upon what you said with heat and the Power Control, it could be a rather bad GPU.
 
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Benchmark Scores GTX 1080 please?
#3
Alright, I uninstalled my AMD drivers, went in safe mode and blew everything out with Driver Sweeper, and installed the 12.6 beta drivers again. I then installed 3DMark 11 and got P8410 and X2830 (benched at 1000/1500 @ 1.062v, I got a black screen of death a minute into SS3:BF3 and it looked like it had rare artifacts at 1.050v so I'm at 1.062v now).

Judging by this old TPU article, I suppose my scores are right for a 1GHz 7950? http://www.techpowerup.com/159284/Radeon-HD-7950-Put-Through-3DMark-11.html
 
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#4
I own the same card, so if there is anything you like me to test and compare with you I can do. I also running same OC 1000/1500 @ 1.037 with MSI AB.

 
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Benchmark Scores GTX 1080 please?
#5
Thanks guys, I'll try Heaven 3.0 in a bit. So far Tribes:Ascend is running much better and smoothly so I wonder if my driver install was indeed bad or if there were old NVIDIA drivers causing issues. Card almost seems to be running a bit cooler as well, but it could just be my OC vs. what I tested before. Can't test OCs with Furmark unfortunately as my board hits the +20% power limit at around 900MHz (won't go over 50FPS in the 1080p bench at any higher speed).

The card's load under F@H still does that random bouncing all over the place when the computer hasn't been used for a couple minutes though (until I move the mouse), but I'll probably just take what I can get with that since I have a dedicated NVIDIA folding farm anyway.

EDIT: I just ran Heaven 3.0 and at around test 18, the card started stuttering horrendously and was getting like 11-15 FPS, and randomly affected about half of the tests after that. That problem shows up in the scoring. Going to try a rerun, but something is definitely wrong. I think I also saw a couple black artifacts in one of the tests. :(

Same thing, starts having a heart attack at stage 18 through the end of the test. Did worse the second time.


 
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eidairaman1

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#6
If you removed NV drivers by ordinary means yes it leaves crap behind, thats how any other card doesnt work right.

Also Run Release Drivers less you want to expect weird things to happen. Beta Drivers are for testing and its user responsibility to report any issues.

Thanks guys, I'll try Heaven 3.0 in a bit. So far Tribes:Ascend is running much better and smoothly so I wonder if my driver install was indeed bad or if there were old NVIDIA drivers causing issues. Card almost seems to be running a bit cooler as well, but it could just be my OC vs. what I tested before. Can't test OCs with Furmark unfortunately as my board hits the +20% power limit at around 900MHz (won't go over 50FPS in the 1080p bench at any higher speed).

The card's load under F@H still does that random bouncing all over the place when the computer hasn't been used for a couple minutes though (until I move the mouse), but I'll probably just take what I can get with that since I have a dedicated NVIDIA folding farm anyway.

EDIT: I just ran Heaven 3.0 and at around test 18, the card started stuttering horrendously and was getting like 11-15 FPS, and randomly affected about half of the tests after that. That problem shows up in the scoring. Going to try a rerun, but something is definitely wrong. I think I also saw a couple black artifacts in one of the tests. :(

Same thing, starts having a heart attack at stage 18 through the end of the test. Did worse the second time.


http://img.techpowerup.org/120623/Heaven1.png http://img.techpowerup.org/120623/heaven2.png
 
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#7
Just uninstalled 12.6 Betas, used driver sweeper and installed 12.4. A couple minutes later, I realized I am an idiot because test 18 ends at 180 seconds, and not moving the mouse for 180 seconds means that World Community Grid kicks in at 100% CPU usage, and that obviously means the GPU isn't being fed enough data because the CPU is all tied up. So, I suppose the other half of the problem is resolved. :eek:

Going to try Tribes: Ascend again and make sure it still runs smoothly. If it does, my issues may be resolved.
 

eidairaman1

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#8
Just uninstalled 12.6 Betas, used driver sweeper and installed 12.4. A couple minutes later, I realized I am an idiot because test 18 ends at 180 seconds, and not moving the mouse for 180 seconds means that World Community Grid kicks in at 100% CPU usage, and that obviously means the GPU isn't being fed enough data because the CPU is all tied up. So, I suppose the other half of the problem is resolved. :eek:

Going to try Tribes: Ascend again and make sure it still runs smoothly. If it does, my issues may be resolved.
so you had WCG running/ I remember someone else having that issue, Id honestly make that tray icon visible at all times so you see it running and then shut it down while gaming
 
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Benchmark Scores GTX 1080 please?
#9
Yeah, I had it set to stop whenever CPU load is 15% or higher AND when the computer is in use, but in reality a thread is 12.5% on a 2600K so I set it to 8% and hopefully I shouldn't have any issues with anything. Games wouldn't have any issues since the keyboard/mouse inputs are used at least once every 3 minutes.
 

eidairaman1

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#10
Yeah, I had it set to stop whenever CPU load is 15% or higher AND when the computer is in use, but in reality a thread is 12.5% on a 2600K so I set it to 8% and hopefully I shouldn't have any issues with anything. Games wouldn't have any issues since the keyboard/mouse inputs are used at least once every 3 minutes.
100% gaming is any tasks like that shut off.
 
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#11
Am using amd 12.4 could you try a re-run of heaven using my settings again. Un-install Amd drivers using control panel and then restart and use driver sweeper on both Amd and nvidia restart and install 12.4.

Edit! see you already have done.

Thanks guys, I'll try Heaven 3.0 in a bit. So far Tribes:Ascend is running much better and smoothly so I wonder if my driver install was indeed bad or if there were old NVIDIA drivers causing issues. Card almost seems to be running a bit cooler as well, but it could just be my OC vs. what I tested before. Can't test OCs with Furmark unfortunately as my board hits the +20% power limit at around 900MHz (won't go over 50FPS in the 1080p bench at any higher speed).

The card's load under F@H still does that random bouncing all over the place when the computer hasn't been used for a couple minutes though (until I move the mouse), but I'll probably just take what I can get with that since I have a dedicated NVIDIA folding farm anyway.

EDIT: I just ran Heaven 3.0 and at around test 18, the card started stuttering horrendously and was getting like 11-15 FPS, and randomly affected about half of the tests after that. That problem shows up in the scoring. Going to try a rerun, but something is definitely wrong. I think I also saw a couple black artifacts in one of the tests. :(

Same thing, starts having a heart attack at stage 18 through the end of the test. Did worse the second time.


http://img.techpowerup.org/120623/Heaven1.png http://img.techpowerup.org/120623/heaven2.png