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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1250

post #12491 of 38704
Quote:
Originally Posted by Levesque View Post

Yes. For 3X30'' Eyefinity (he will do 7680X1440) 4X 7970 Quad-Fire is working pretty well since 12.6 beta. Probably that 3 would be enough, but 4 is more sexy. And Quake Quad, not Triake Tri. biggrin.gif
For some people the bling factor is also important. For a build like he's planning to do, I would also go with Quad 7970.
12.7 beta are aslo working pretty good for me now. Made the switch form 12.6 beta a couple of days ago and they are fabulous with 4X 7970 at 7680X1600. Pretty happy now.
Those drivers are rock-stable for me. Good job AMD. thumb.gif

What kind of frame rates are u getting for say bf3 and other graphic intensive games?
     
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post #12492 of 38704
Does anybody have an issue where they have a black border around their games?
Edited by BradleyW - 6/25/12 at 8:14am
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post #12493 of 38704
Quote:
Originally Posted by BradleyW View Post

Does anybody have an issue where they have a black border around their games?

 

No, not here.

I remember reading some one in this thread having the same problem or the catleap monitor thread a few months back, and it turned out to be a setting with the scaler in CCC, if I remember correctly.

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post #12494 of 38704
Quote:
Originally Posted by DaClownie View Post

High ASIC, low voltage cards (such as yours) typically perform better on air than they do on water. I believe there's still overvoltage circuitry at play that doesn't allow your processor to run at anything .125v above stock voltage. In this case, you're going to max out at 1.175 volts. Mine was a 1.174v card, so it maxes at 1.299 volts. Mine is also under water.
Eh, kinda. There are always exceptions I suppose. All but one of my 7x 7970's are in the 70-79% ASIC quality range, and their overclocking ranges are all over the map, BUT I do have a Diamond 7970 with an ASIC quality of 86%. When I noticed the unusually high quality I thought, "Fantastic, I have a great overclocker here!"

As it turns out, that high-ASIC Diamond is the LOWEST overclocker of all my 7970's.. It didn't matter how much voltage I gave it, the highest I could overclock it and have some stability was 1220MHz @ 1149mV. It wasn't even the coldest running 7970 I had when overclocked and running a stress test.. frown.gif

tl;dr ASIC quality probably just refers to chances of hitting 1GHz core. Beyond that, no guarantees. This is my experience, at least.
post #12495 of 38704
Quote:
Originally Posted by NessLA View Post

Eh, kinda. There are always exceptions I suppose. All but one of my 7x 7970's are in the 70-79% ASIC quality range, and their overclocking ranges are all over the map, BUT I do have a Diamond 7970 with an ASIC quality of 86%. When I noticed the unusually high quality I thought, "Fantastic, I have a great overclocker here!"
As it turns out, that high-ASIC Diamond is the LOWEST overclocker of all my 7970's.. It didn't matter how much voltage I gave it, the highest I could overclock it and have some stability was 1220MHz @ 1149mV. It wasn't even the coldest running 7970 I had when overclocked and running a stress test.. frown.gif
tl;dr ASIC quality probably just refers to chances of hitting 1GHz core. Beyond that, no guarantees. This is my experience, at least.

Read what he wrote. Asic deals with leakage level not overclocking ability. Again, asic does not = overclocking score. It deals with voltage requirement at stock clocks.
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post #12496 of 38704
Its the silicon lottery folks! Just a bummer that most cards are locked to a .125v range (lightning and hot wired dcuii are the exception). So even if that high asic can hit 1250 at 1.175, u can't give it more juice to go higher
     
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post #12497 of 38704
Quote:
Originally Posted by jomama22 View Post

Its the silicon lottery folks! Just a bummer that most cards are locked to a .125v range (lightning and hot wired dcuii are the exception). So even if that high asic can hit 1250 at 1.175, u can't give it more juice to go higher


Yeap. The ideal is quad 73% asic cards all from great lottery picks.
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post #12498 of 38704
Im considering joining this club in a short while. Selling my two 570's before their value gets too low, and because Im not satisfied with 1.25GB VRAM. Not sure if I should get a 680 or 7970 and save some money, since I plan to not keep the card, which ever one I get, for much more than half a year. I'm just a little scared off by all the AMD driver talk, and there seem to be less non-reference models for 7970 than 680.
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post #12499 of 38704
Quote:
Originally Posted by Bastyn99 View Post

Im considering joining this club in a short while. Selling my two 570's before their value gets too low, and because Im not satisfied with 1.25GB VRAM. Not sure if I should get a 680 or 7970 and save some money, since I plan to not keep the card, which ever one I get, for much more than half a year. I'm just a little scared off by all the AMD driver talk, and there seem to be less non-reference models for 7970 than 680.

If you plan to keep the card for only 6 months spend the least possible amount for the best returns. Go for HD 7950 OC. clock for clock HD 7950 is close to HD 7970, maybe 3 - 5 % slower.

Gigabyte HD 7950 - USD 370
http://www.amazon.com/Gigabyte-Mini-Displayport-PCI-Express-Graphic-GV-R795WF3-3GD/dp/B007581QHG/

Sapphire HD 7950 950 Mhz edition - USD 390 (USD 370 with rebate)
http://www.amazon.com/Sapphire-PCI-Express-version-Graphics-11196-10-40G/dp/B0082D58P4/

here is a HD 7950 OC (900 Mhz) overclocked to 1200 Mhz and compared to HD 7970 (925 Mhz)

http://www.hardocp.com/article/2012/03/01/xfx_radeon_hd_7950_black_edition_video_card_review/8

Drivers have improved performance and stability a lot . Catalyst 12.6 BETA and Catalyst 12.7 BETA have really made the HD 7900 cards outshine the GTX 600 cards.
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post #12500 of 38704
Quote:
Originally Posted by Bastyn99 View Post

Im considering joining this club in a short while. Selling my two 570's before their value gets too low, and because Im not satisfied with 1.25GB VRAM. Not sure if I should get a 680 or 7970 and save some money, since I plan to not keep the card, which ever one I get, for much more than half a year. I'm just a little scared off by all the AMD driver talk, and there seem to be less non-reference models for 7970 than 680.

Well both cards will perform quite similar and honesty you can't go wrong either way. Do u plan on 2 or 1? I ask because u will notice a dip in performance if just one. Driver issues are over blown on both sides so I personally wouldn't use that as a decision maker. Look at what games you play most and see which card fits your game preferences better. I will say, if you enjoy messing with over clocks and such then the 7970 is a treat in that regard especially since most 680s are voltage locked. It also depends how much you want to spend or if price even matters. For 7970s, you have the toxic coming out this month and the lightning already getting old. The 680s have the 4gb ftw coming and already have the lightning, though avalibility is hard to come by.
     
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