[Official] AMD Radeon HD 7950/7970 Owners Thread - Page 393

Originally Posted by Daffie82 

Thanks for your help (and slickric !)
I have the dual fan one.
After testing 1 min in Furmark at 1000/1500 and 1175mv my max. GPU temp is 75 ...
Is that something to worry about? Or is that pretty "normal" at these settings?

Originally Posted by Tslm 

Oh my god whose blood is that? Warning: Spoiler! (Click to show)

Originally Posted by johnnyw 

Well talked too early as usual and i guess its dont have anything to do with AB, was watching youtube vid and flickering started again Aftet bit of googling i dont seem to be only one with this problem and it seems to be somehow related to 120hz monitors, as i said earlier if i set refresh rate to 60hz it fixes the problem completely but i really dont hate to use that, when been used to 120hz 60hz just looks so damn laggy.

Originally Posted by pursuinginsanity 

I wouldn't be so quick to say it's the monitor's fault. AMD drivers have had problems just like that since the HD5xxx series release (and possibly earlier, this is when it happened to me (Nov, 2009)). Mine would only flicker on 2d, if running a game it was fine. That wasn't fixed completely until April 2010. It happened again during the HD 6xxx release. Not as bad, and again, with a sporadic, seemingly random group of cards.
It's things like this that make me dread buying another AMD card. Ugh. Broken AA, screen flicker, etc. It's never worked out well for me.
Check out AMD's driver forums. Probably quite a few people that sharing your pain.

Originally Posted by Ottesen 

Don't use furmark, occt or "those" tests, due to the powertune ability the cards decrease the core mhz and stuff to cope. Use 3dmark11 or heaven or something like that. (Search on amd powertune and you'll see the point. )
The stock fan setting/profile is pretty layed back, so that temp is normal. I make my own fan profile and have 30% fan at 30c, 40% at 40c and like that, these cards with dual fan is just epic, i can't even hear my 2 card on benchmarks

Originally Posted by Ottesen 

Don't use furmark, occt or "those" tests, due to the powertune ability the cards decrease the core mhz and stuff to cope. Use 3dmark11 or heaven or something like that. (Search on amd powertune and you'll see the point. )
The stock fan setting/profile is pretty layed back, so that temp is normal. I make my own fan profile and have 30% fan at 30c, 40% at 40c and like that, these cards with dual fan is just epic, i can't even hear my 2 card on benchmarks

Originally Posted by bhardy1185 

I had that same thing happen to me on my xfire 5870's. I'm not sure what changed but it ran fine for a while then I started to get the flicker. Took one card out and it stopped??? Still trying to figure out what was going on with that.
I just got done running 3DMark11. My temp was in the 72-75 range so I am assuming that it is ok after seeing some posts saying that they were in that range as well. Right now I am running at 1000/1400 at stock voltage (1175).
Question about the benchmark though. I was watching it and my FPS was ranging from 10-28 on various tests with probably an average of 17 FPS. I didn't get any results that I can say for sure that is just my observation. Is that normal for this? I would think that I would be getting a lot better results FPS wise.

Originally Posted by Daffie82 

Thanks for the tips !
I did 2 full benchmarks in Heaven on 1920x1080 Fullscreen, 4xAA, 16xAF, rest on default.
Result was 63,7 FPS (Min. 30,6 - Max. 135,1) and this was on 1100 core / 1500 memory and 1175mv
I made a special fan profile in Trixx but according to my logs from GPU-Z (running in background) it was running on stock fan settings.
My max temp was 71, max VDDC Current 119.8
Can I push even more? What do you think?
EDIT : ASIC = 76,3 % (if that says anything anyway)

Originally Posted by Ottesen 

Nice, push more, maybe... i just push until i see artifacts and then back off 20-50mhz, in tests like 3dmark11 you'll easily see the artifacts because suddenly there is flimering/flickering and red bricks/pixels and stuff....and thats easy to see under water I tried some benchmarks now with 1140/1540mhz at 1240mv.... my upper card (got 2) is getting a bit to warm and loud. its not really much noise tho, but since i'm running 2 cards i bet i don't need to have a big overclock to play games I'm hoping i can get like 1000/1400mhz at stock voltage, then my computer will be quiet and fast
(look past the writing errors, english is not my first language )

Originally Posted by Daffie82 

Thanks for your reply, having 2 of these babies is very nice. I build my PC around this also, so maybe in about 6 months I will get another HD 7950.
I did not see any artifacts in Heaven by the way.
Oh forgot to mention : my max FAN speed was at 56% or 2368 RPM
I will look tomorrow maybe to push even more but I am quite happy with this now to be honest.
And no problem about your english, its not my first language either (did not notice it in your posts though, so you are pretty good at it )