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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1738

post #17371 of 38704
It seems that Sapphire is out with the new boost version of the 7950 card. I'm still kinda between the Gigabyte WF3 and the new Sapphire one biggrin.gif

But there are still no reports how well the new Sapphire behaves.
post #17372 of 38704
Quote:
Originally Posted by Paztak View Post

Yep, the slider was there... Sadly it seems that voltage is clocked on the bios, because it doesn't give more voltage to the core even if I adjust voltage to the value 1.3V.
1.256 is the maximum and "stock" voltage when boost - mode is on. 1130Mhz/1500Mhz are the maximum clocks what i can get out of this card.

Really 1.25ish seems to be optimal for most 7970's. I don't see many people getting more out of their cards by boosting voltage over that. So even though the voltage is locked I don't think it's holding you back much.
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post #17373 of 38704
Quote:
Originally Posted by Kitarist View Post

It seems that Sapphire is out with the new boost version of the 7950 card. I'm still kinda between the Gigabyte WF3 and the new Sapphire one biggrin.gif
But there are still no reports how well the new Sapphire behaves.

gigabyte wf3 is the better choice. heard complaints of the sapphire hd 7950 vapor-x being voltage locked.
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post #17374 of 38704
Quote:
Originally Posted by Paztak View Post

Yep, the slider was there... Sadly it seems that voltage is clocked on the bios, because it doesn't give more voltage to the core even if I adjust voltage to the value 1.3V.
1.256 is the maximum and "stock" voltage when boost - mode is on. 1130Mhz/1500Mhz are the maximum clocks what i can get out of this card.

That happens alot it seems with the ghz bios you might try flashing a bios clocked at 925 and see if it gives you voltage control. The ghz bios for me gives no voltage control but a saphire 925/1375 i flashed does.
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post #17375 of 38704
Quote:
Originally Posted by Ganf View Post

Really 1.25ish seems to be optimal for most 7970's. I don't see many people getting more out of their cards by boosting voltage over that. So even though the voltage is locked I don't think it's holding you back much.

Alright, I was suspecting that more voltage wouldn't help me that much. I don't want to tweak anything anymore, I will stick on this and just play my ass off.
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post #17376 of 38704
Quote:
Originally Posted by raghu78 View Post

gigabyte wf3 is the better choice. heard complaints of the sapphire hd 7950 vapor-x being voltage locked.

I can vouche for the WF3 7950 being an excellant card. I have had mine for 2 days now and I switched from my defective Sapphire 7950. I already have stable clocks at 1150/1500 with 1.18v. Doesn't seem to really want to go much more though as when I do push past that when I load up a game it puts itself back to stock core clocks. I had to switch afterburner to unofficial overclocking mode to get over 1100 core though. And temps don't go over 50c in BF3 with that overclock either so the cooler is top notch in my books.

Edit: however I have to use 12.8 drivers myself because 12.11 beta gives me horizontal lines with even a 25mhz overclock even though I uninstalled AB before changing drivers. Hopefully they can stabalize this driver a bit better for people in my situation. The performance increase I hear is awesome.
Edited by Honk5891 - 10/26/12 at 12:17pm
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post #17377 of 38704
The 7970 is amazing. My ref (non Ghz) card at whatever the stock vcore is I have it running at 1100/1600 no problem. The only thing is Afterburner and Cat 12.11 have issues when enabling Unofficial Overclocking. Disabling power play took care of the flickering crap that started with 12.11. I ended up setting up a "2D" profile, afterburner however doesn't want to used the selected 2D/3D profiles so I am just gonna do it manually with profile hotkeys.
    
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post #17378 of 38704
12.10 stable? Still looking to find a stable CCC
    
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post #17379 of 38704
The boost bioses are horrid.

In UVD , video hw accel or flash player hw accel, the clocks are the same 500/1250, but instead of 0.95v it runs at the 3d voltage (1.2+v!)
post #17380 of 38704
Quote:
Originally Posted by 4514kaiser View Post

12.10 stable? Still looking to find a stable CCC

? Didn't know they were having problems since 12.7 at least?
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