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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 694

post #6931 of 38704
Quote:
Originally Posted by MrWhiteRX7 View Post

http://www.overclock3d.net/reviews/gpu_displays/nvidia_gtx680_review/1
This is a fair review of oc vs oc and the 7970 and 680 have no difference LOL! Nvidia was running their mouth like they were going to stomp the 7970. HAAHHAHAA biggrin.gif

Thanks for sharing. What a great unbiased review!! One of the best I've seen so far.
post #6932 of 38704
Quote:
Originally Posted by Daffie82 View Post

So far I got
(core speed - avg fps - score)
1) 1150mhz - 50,2 - 1266
2) 1160mhz - 50,3 - 1268
3) 1170mhz - 50,7 - 1278
4) 1180mhz - 51,1 - 1287
5) 1190mhz - 51,2 - 1291
6) 1200mhz - no result (Unigine fatal error !) + "Display driver amdkmdap stopped responding"
I tried core speed of 1180 in combination with 1550 for memory we figured out earlier.
This evening I will try : 1150 for core and 1520 for memory at 1181 volt instead of 1175 volt.
If that works I will work my way up from there. If it doesnt work, I will try at stock setting to rule out a driver issue.

That core test was at 1175mv? What is your true stock voltage, per your asic%?

I've noticed that these cores like a fair bit of juice to make a jump in core clocks. It could just be me, but I've had to push more than a few increments at a time to hit X clock. So what I did was just push max voltage and worked pushed the clocks up to hit my upper boundary. Then from there I worked my way down. You also want to get an idea of your vgpu droop. Fire up hwinfo64, disable AB voltage monitoring in your OSD and run furmark. Furmark is great for loading the gpu and hwinfo64 for watching real time voltage. Write what you put into AB and what is displayed by hwinfo. The difference is your droop. If we calculate from your stock vgpu which is 1093mv +125mv = 1218mv is your max before OCP kicks in. I'd guesstimate your real max voltage to be somewhere around 30mv less, 1188mv.

Now here's the kicker. 125mv "IS" what AMD has deemed safe, since that's the limit they set. And it would be logical that they've set it actually lower than the true limit as to provide a cushion for safety margins.

Ok with that aside, go see what your max vgpu droop is.
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post #6933 of 38704
Quote:
Originally Posted by svthomas View Post

^this, and perhaps even more importantly, I am interested in how well their drivers are functioning in comparison to the 7970's. I can probably say with some confidence that a small performance increase and a stable driver will more than likely entice me to count my losses and jump ship from AMD.
Unfortunately that loss will include taking a hit on two 7970s, two EK waterblocks, two Ek backplates, two EK bridge links, and two single slot I/O brackets. frown.gif
gg, AMD.

BF3 flicker is driving me insane as well and trying out different drivers has yet to fix it. If that little nuisance was removed I would be happy with my 7970 and glad that the prices are going down for another 7970 to crossfire...eventually.

Other than that I'm pretty happy with my card. 1200/1600 on stock volts and maybe 1250 if I ever get up the courage to mess with volts redface.gif.
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post #6934 of 38704
Quote:
Originally Posted by Levesque View Post

Lame reviews at 1080p where they compare stock vs stock are not even worth reading for me. rolleyes.gif Let's wait for real OC numbers for the 680.

True, I'm not playing at 1080. I haven't played at 1080 in two years lol. On three screens and large res, the gap is really small but don't get me wrong the 680 is a freaking fast card. There is something strange though, it's like the cards have reversed roles. The 680 is now super efficient doing more for less and the 7970 is the brute force kid. Look at the Crysis1/2 and Metro numbers where the 7970 is more or less holding its ground.
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post #6935 of 38704
Quote:
Originally Posted by Levesque View Post

Lame reviews at 1080p where they compare stock vs stock are not even worth reading for me. rolleyes.gif Let's wait for real OC numbers for the 680.

agreed. 1080p was so last year. rolleyes.gif


i want to see 4way sli and 15900x1600 benches. thumb.gif
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post #6936 of 38704
Quote:
Originally Posted by Hambone07si View Post

When I would hit launch game, with in 5sec that error would just pop up. I could not even see the load screen for BF3, no getting in at all. Just that error that I showed. This time around no error, just works.
It had to be something with the way the install went with the new drivers. I run eyefinity. Anytime I've updated my drivers and ran ATIman, as soon as I rebooted my pc for the last time, eyefinity was always set up already which didn't make sense. This last time that I did it, I had a couple errors while installing and kinda like wireeater said, you may have a few errors then it will install flawlessly. That's what happened this last time. I had to set up eyefinity, and set my bezel correction. Very strange, but I'm thinking also that ATIman isn't doing a good enough job on removing all that is needed. There's no reason for eyefinity to be set up when you removed all drivers and then ran ATIman. Anyways, it's working perfect this time around and every game opens now. I played the following last night just to test. BF3, BBC2, Crysis 2, Dirt 3, Need for speed Hot pursuit, Heaven 3.0, AvP Benchmark, 3dmark11, and Vantage. All with no crashing. Man was I happy for once also wheee.gif
I've noticed that my temps on my 2nd card still on air came down some. Usually playing BF3 Ultra settings in Eyefinity my temps were around 80-82c, now were 72-74c after 30min of playing thinking.gif
Maybe we need to add what files are to be deleted to one of the processes of uninstalling our drivers after ATIman runs. Or maybe us eyefinity users have to completely disable eyefinity before starting the uninstall process. I bet Ken will shed a little light on it.

I figured out my problem with 8.95.5. It's the eyefinity driver, it fails and BSODs in dx11 games. I confirmed this by running BF3 and Crysis on single screens with no issue. Once you've run a game at that res, it will load in single screen res even with eyefinity on, so as I go to ingame change the res for widescreen, BAMM crash BSOD 116.

So after I tired of playing all the uninstall/install tricks, I went with a different driver, 8.960 leaked beta OpenCL driver. The result is a mixed bag, BF3 now works in dx11, but there are still broken parts to this driver. Synch with DP and DVI is off, so I always have a flickering bottom portion of the DP connected screen. That's better than making the single DP screen primary lol and having two flickering DVI screens, lesser of two evils. mad.gif

Now if I could mod rc11 eyefinity control into these 8.960... hmm maybe I will reinstall rc11 and manual update 8.960?
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post #6937 of 38704
Just got my 2nd Sapphire 7970 after I had to RMA the first for desktop artifacting less than 24 hours after getting it...I've read a bit here about screen flickering issues..and V Sync seems to fix it partially for me. It still flickers in BF3 even after forcing refresh rate in CCC and enabling V Sync in all games I play...although enabling V Sync seems to have fixed it in Diablo 3.

I did a clean wipe/install with ATIman and was wondering if anyone has a fix for this, if it's driver immaturity, etc. It beats artifacting, but still annoying for such an expensive piece of hardware.
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post #6938 of 38704
Quote:
Originally Posted by Anachronist View Post

Just got my 2nd Sapphire 7970 after I had to RMA the first for desktop artifacting less than 24 hours after getting it...I've read a bit here about screen flickering issues..and V Sync seems to fix it partially for me. It still flickers in BF3 even after forcing refresh rate in CCC and enabling V Sync in all games I play...although enabling V Sync seems to have fixed it in Diablo 3.
I did a clean wipe/install with ATIman and was wondering if anyone has a fix for this, if it's driver immaturity, etc. It beats artifacting, but still annoying for such an expensive piece of hardware.

Screen flicker ingame is a driver issue or game dev issue, not hardware. Thus what driver are you using? RC11 has been the all around most stable, but the current beta has shown a bit of success, though not for everyone.
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post #6939 of 38704
Quote:
Originally Posted by tsm106 View Post

Screen flicker ingame is a driver issue or game dev issue, not hardware. Thus what driver are you using? RC11 has been the all around most stable, but the current beta has shown a bit of success, though not for everyone.

Using 12.2..may have to downgrade.

I'm primarily asking because both these cards I've gotten from Newegg have given me reason to believe they aren't new. First one had open seal on the box and this second one didn't have the cellophane on the card and the PCI connector has minor scuffing like it's been installed already..I would be pretty irate if I had to RMA a second "new" card.
Edited by Anachronist - 3/22/12 at 9:48am
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post #6940 of 38704
damn look at all those 7970's in the fs section. biggrin.gif
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