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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 43

post #421 of 38704
Thread Starter 
You know what's weird..?
After 1040 MHz, OCCT doesn't gain any framerates.
There is no difference in frames between 1040 MHz and say... 1125 MHz.
There's a wall at 433 FPS.
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post #422 of 38704
Quote:
Originally Posted by Evil Penguin View Post

AB and GPUTool report the same load voltage.
GPU-Z and Trixx report 1.17v under load?

GPUtool doesn't read anything about the card, a bunch of null fields. GPU-z and trixx agree, go from 0.85(desktop) to 1.17v(load). Neither AB or trixx are able to change voltage, according to trixx and gpuz readings.

@ Penguin =>I get 460 at 1080.
    
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post #423 of 38704
Thread Starter 
Let's see... My idle wattage is 177 watts. When I run OCCT it's 540 watts.
That's a 363 watt difference.
Some of that can be contributed to the CPU feeding the graphics card instructions.
It looks like PowerTune even at +20% is throttling the 7970.

PARTON, you have error checking on and shader complexity set to 8?
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post #424 of 38704
Quote:
Originally Posted by PARTON View Post

GPUtool doesn't read anything about the card, a bunch of null fields. GPU-z and trixx agree, go from 0.85(desktop) to 1.17v(load). Neither AB or trixx are able to change voltage, according to trixx and gpuz readings.
@ Penguin =>I get 460 at 1080.

You are right. With AB and TRIXX I was getting heavy artifacting at 1.125GHz, with the voltage at 1.25VCore. I then read this, tried ASUS Tweak (because I have ASUS cards), set 1.125GHz, 1.15VCore, ran Heaven on extreme and it worked like a charm!

Now, my question is: What is the max safe voltage for these cards, and what is stock? Also, what kinda overclocks are people hitting?
    
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post #425 of 38704
Quote:
Originally Posted by Evil Penguin View Post

Let's see... My idle wattage is 177 watts. When I run OCCT it's 540 watts.
That's a 363 watt difference.
Some of that can be contributed to the CPU feeding the graphics card instructions.
It looks like PowerTune even at +20% is throttling the 7970.
PARTON, you have error checking on and shader complexity set to 8?

Maybe I need to download another version. I don't see that option.


Do we have to flash to asus bios for asus tweak voltage control to work?
    
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post #426 of 38704
Thread Starter 
Quote:
Originally Posted by PARTON View Post

Quote:
Originally Posted by Evil Penguin View Post

Let's see... My idle wattage is 177 watts. When I run OCCT it's 540 watts.
That's a 363 watt difference.
Some of that can be contributed to the CPU feeding the graphics card instructions.
It looks like PowerTune even at +20% is throttling the 7970.
PARTON, you have error checking on and shader complexity set to 8?

Maybe I need to download another version. I don't see that option.
I'm using the one that I linked on the first page of this thread.
I *think* you have to.
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post #427 of 38704
So I got windows reinstalled, got everything updated and installed, and loaded Dungeon Defenders (pathetic first game to try I know, but my buddies were playing it) and on the main title screen I am already seeing artifacts...

I dont even have it OC'd yet, just stock settings.

I downloaded the drive from AMDs website (although its really not an official drive by the looks of it..).

Anyone having really good luck with any other driver?
post #428 of 38704
Quote:
Originally Posted by PARTON View Post

I don't think so but my sapphire came with the molex to 8 pin adapter that I know will work for you.

HIS didnt include an adapter cable, in the manual they suggest not to use one.

I grabbed a PCIe cable with both 6+2 pins on them, so Im rolling strong here. Aside from the artifacting on DD.
post #429 of 38704
Thread Starter 
Quote:
Originally Posted by Tumdace View Post

Quote:
Originally Posted by PARTON View Post

I don't think so but my sapphire came with the molex to 8 pin adapter that I know will work for you.

HIS didnt include an adapter cable, in the manual they suggest not to use one.

I grabbed a PCIe cable with both 6+2 pins on them, so Im rolling strong here. Aside from the artifacting on DD.
Do other games artifact?
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post #430 of 38704
Quote:
Originally Posted by Evil Penguin View Post

Do other games artifact?

Haven't tried any, bf3 crashed at 1125 last night. I'm hung up on my slow typing and trying to get voltage adjustment atm.
    
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