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Underclocking the 69xx cards

post #1 of 3
Thread Starter 
When I found out that the power management on my old 4870 was pretty bad, I used RivaTuner to have it switch between 200/240 and 800/960 clocks based on hardware acceleration. My idle power consumption was 40W lower than with the 6950 I have now, so I'd like to do the same again.

However, the 6900's (or the current driver?) don't seem to be supported by RivaTuner anymore, so I turned to MSI Afterburner. But that sets the minimum clock to -50% of the current rate, which is far away from where I would like to go. I can get there by setting lower clocks and restarting the program a few times, but since the automated profile switching only works for frequencies within the limit it doesn't really help me. The lowest clocks I can set (400/625) that work automatically are barely an improvement over active PowerPlay.

Does anybody have some advice on how to unlock Afterburner downwards or what other utilities could help me? I would much prefer it if my card didn't sit there at >1GHz memory clock when it's not doing anything. And shave a few bucks off the power bill.

(P.S.: Has MSI bought RT and turned it into Afterburner? There haven't been any updates for a year or so, so I sort of suspect it to be dead.)
post #2 of 3
Quote:
Originally Posted by Amorpheus View Post
When I found out that the power management on my old 4870 was pretty bad, I used RivaTuner to have it switch between 200/240 and 800/960 clocks based on hardware acceleration. My idle power consumption was 40W lower than with the 6950 I have now, so I'd like to do the same again.

However, the 6900's (or the current driver?) don't seem to be supported by RivaTuner anymore, so I turned to MSI Afterburner. But that sets the minimum clock to -50% of the current rate, which is far away from where I would like to go. I can get there by setting lower clocks and restarting the program a few times, but since the automated profile switching only works for frequencies within the limit it doesn't really help me. The lowest clocks I can set (400/625) that work automatically are barely an improvement over active PowerPlay.

Does anybody have some advice on how to unlock Afterburner downwards or what other utilities could help me? I would much prefer it if my card didn't sit there at >1GHz memory clock when it's not doing anything. And shave a few bucks off the power bill.

(P.S.: Has MSI bought RT and turned it into Afterburner? There haven't been any updates for a year or so, so I sort of suspect it to be dead.)
My clocks go down to 250/150 if i press reset in afterburner 2.1.0 beta 5 , what version of afterburner are you using ? these 6900 cards are still new and uncompatible with alot of the older software .

try 10.12a drivers

Rivertuner is old news , havent used that since my 9800gt then went with ati ever since .
Edited by Xristo - 12/29/10 at 3:52pm
    
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Intel i5 7600k @ 5Ghz, 1.312v Asus Prime Z270-AR msi GTX 1080 32GB Corsair Vengeance DDR4 3Ghz 
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Transcend SSD220S 120GB  Corsair H80i V2 Windows 10 Pro 64bit AOC AG322FCX 32" Curved LED 144hz 1920x1080 
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Razer Blackwidow Ultimate Antec Quattro 1000w Thermaltake Versa N27 msi Gaming series 
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post #3 of 3
Thread Starter 
I'm using the same version, but the problem is that profiles will only switch to frequencies that are in the available range, so it won't work after rebooting.
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