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Top 20 AMD/ATI cards for Boinc in order of Single / Double Precision computing power - Page 2

post #11 of 15
Great stuff DarkRyder!
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post #12 of 15
Quote:
Originally Posted by Tex1954 View Post

Well, so far, for Milkyway and Donate the HD6990 can run slow memory clocks with no penalty and reduce temps since these are Hot running projects. However, I'm running mini_collatz now and discovered it runs tons cooler at the same settings, but also it really slows down with a slow memory clock... Soo, it's running default 1250MHz mem clocks now, BUT, the temps are way LOWER than other projects... VReg around 63c now.

glancing through this topic i am intrigued by the lower memory clocks to lower heat. I tried lowering the memory clocks on my xfx 6870 using both msi afterburner and saphire trixx. GPU-Z reports no change in the memory speed, its constantly stuck at 1050mhz. Any ideas why?
Edited by granno21 - 5/22/12 at 3:35pm
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post #13 of 15
Thread Starter 
how far are you trying to downclock ?
    
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post #14 of 15
Quote:
Originally Posted by DarkRyder View Post

how far are you trying to downclock ?

I tried going down to 850hmz, but when that failed I tried a smaller value. Even 1000mhz failed. Its as if the memory frequency is locked
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post #15 of 15
Thread Starter 
it could be. i never had that problem with XFX in the past tho...
    
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