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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1178

post #11771 of 25510
6/9/12 at 2:43am
Quote:
Originally Posted by SonDa5 View Post


I thought everyone tweaked. biggrin.gif
I guess Futuremark is busting down on tweakers. biggrin.gif
I'm about 1000 less without the AMD tesselation mode.
Still a decent score.

 

If HWbot accepts it then its good enough for OCN :D

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post #11772 of 25510
6/9/12 at 4:07am
Why don't we all use our graphics cards in the OpenCL capable POEM@Home project when not gaming (or even while gaming)?

I'm running it currently and getting a whopping 480,000 PPD with my HD 7950 at 55% utilization, with some HD6850s that my family uses producing a good amount of PPD alongside of that. If every HD79x0 owner was to suddenly start using their graphics card for something useful to scientific research there would be some major breakthroughs at record speeds. There doesn't seem to be very many people currently using the project, though it is steadily rising in users recently with its OpenCL release, but it is sad that I can say I'm ranked 15th in the entire US currently.

I would like to know how some users with RAM faster than 2000MHz perform in this project since it is very reliant on memory speed when it comes to graphics card utilization, until they make a nice GCN app that offloads more instructions onto the GPU instead of CPU.

Folding@Home still isn't very helpful with the AMD side of things, but you will find that AMD cards shine here in OpenCL BOINC projects a lot better than NVIDIA does, especially considering my 7950 has 4400 SP GFLOPS with a nice 1200MHz core and 1700MHz memory.

If you need a guide I wrote a nice one here:

http://www.amdusers.com/forum/showthread.php?8356-All-Encompassing-Guide-to-POEM

More projects will be porting to OpenCL GPU+CPU based processing in the near future, such as Help Conquer Cancer and GPUGrid.net.
Edited by mmstick - 6/9/12 at 4:14am
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post #11773 of 25510
6/9/12 at 7:50am
Quote:
Originally Posted by SonDa5 View Post

Is that the Sapphire HD7970 Dual X OC? If so I'd like to try your BIOS.

Yes, that is the Sapphire Dual X OC. How can I steal the Bios for you? I will get right on it when I figure out how. Trixx has a save bios feature that gives me a .bin file but I feel like that is not it.
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post #11774 of 25510
6/9/12 at 8:08am
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I've never tweaked tess settings in any of my scores. Definitely cheating in my book but I'm not trying to break records or anything...
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post #11775 of 25510
6/9/12 at 8:39am
Haven't posted in here for awhile since I've been playing D3 but good thing I check back here once awhile. D3 on 12.4 had weird stutter problems randomly throughout the game, whether single or crossfire. It was annoying but was playable so I left it alone. I come onto here to find there are new 12.6 beta drivers!

Installed and my D3 is butter smooth with no hiccups at all. I am happy.
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post #11776 of 25510
6/9/12 at 8:40am
I have a set of 7970s... I was wondering what would be a safe overclock to try right away? Both cards are under water, I get load temps of about 34-36C.
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post #11777 of 25510
6/9/12 at 8:53am
Here is my attempt at overclocking my ref MSI 7970 on stock voltages (power limit upped 5%) and a custom fan profile.

3dmark11 tess on I know my cpu clock really hurts my score as I have had to downclock to 4.5 as i was getting idle lockups. sadsmiley.gif

338

So far I have tested it for 2hours on OCCT with error checking and I got no errors and 4hours of Crysis with no artefacts or crashes.
My question to you all is what is the maximum safe/recommended temp for the VRM's on the reference 7970? as I want to see what this could do with some added voltage but I am worried as I am on the stock cooler.
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post #11778 of 25510
6/9/12 at 9:01am
in the summer months I cant do crap on my old PC because it overheated, AthlonX2 6000+, even with a Hyper 212 and Zalman 9700NT the thing idles warm 40+ and peals aat 55-59, that and the 8800 GTS IDLED in the 60s.


at least now, with the FX8120, I idle in the Teens most of the year, and the 3 hot months its in the 20s and peeks upper 30s/40s.

My Sapphire Card seems to be idling in the upper 30s/lower 40s in the hot days so far.

one thing i need to be careful of is the VRM temps, they got to 50 degrees on a 70 degree day in one race/benchmark run in Dirt 3.

which is why im considering water cooling the GFX Card too, but i dont want to have to tear everything apart for a custom Loop.
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post #11779 of 25510
6/9/12 at 9:07am
I was hitting 70C with my cards when not WC.

So I just tried 1125/1575 with my two cards and no issues. I'm using MSI Afterburner... How can I go beyond those limits? Also, what does the power control setting in the overdrive menu do?
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post #11780 of 25510
6/9/12 at 9:42am
How do i overclock higher than 1125Mhz Core Speed?
Unofficial OC does not work. I changed the value via safemode.
Edited by BradleyW - 6/9/12 at 10:03am
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