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+20 power in CCC for 6950 flashed to 6970?

post #1 of 7
Thread Starter 
do i want to put +20 in CCC or not to get the highest overclocks/stability possible? plz explain
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post #2 of 7
When the card hits it's power draw limit, it will be throttled down to stay within it's TDP. When you raise the power limit +20%, you allow your card to draw more power and therefore not be throttled.

Here's a better explanation: http://www.anandtech.com/show/4061/a...deon-hd-6950/7
Edited by compudaze - 3/3/11 at 12:55pm
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post #3 of 7
good post compudaze. I only bumped mine to 20% because in the unlock guide on techpowerup showed by bumping the power to +20% it gave you a decent jump on ingame FPS.

http://www.techpowerup.com/articles/...ng/vidcard/159

88 FPS without and 115FPS with +20% in furmark
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post #4 of 7
hmmm.....if I put power draw at 20%, I wonder if my 750 watt will be able to take on 2 X 6950, 8 fans, CPU & Mobo, water pump....
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post #5 of 7
Quote:
Originally Posted by Awaz View Post
hmmm.....if I put power draw at 20%, I wonder if my 750 watt will be able to take on 2 X 6950, 8 fans, CPU & Mobo, water pump....
2 - 6950 unlocked +20% will draw 252w per card. Not sure what your other components draw. Leaves you with 246 watts to power everything else. But of course remember, that 252 watt per card is during furmark testing.

If you are using stock 6950's it's only 189 watts per card.Only a 20 watt jump from stock per card.

You can either figure out how much everything else is drawing, or maybe bump the power to +10% and run and some some tests, then go from there.
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post #6 of 7
For me the difference between 0 and +20% is barely noticeable

3571 furmarks without

3604 with

based on that, not really worth it IMO
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post #7 of 7
Here's what happens when your card bounces off the power limit.



Still awaiting on my HX850 so I can crank it up +20%.
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