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Coolbits 'Optimum'

post #1 of 25
Thread Starter 
The magic button in Coolbits: "Detect Optimal Frequencies"... What exactly does it do? I know it finds a balance between Core speed and Memory speed, but I know that I can increase both slightly more then 'Optimum'. Is it like... on a car, a power graph has a peak,so the maximum power isn't at the highest RPM, it's at a certain RPM? Does OC'ing have a peak performance..?
OK, It's not very clear, but I'm trying here.
Lets say an increase of 50MHz on clock speed has a 25% Increase on Performance (rough figures here guys lol). That's 25% for 50MHz. Say if you pushed it a bit more, to say 60 Mhz, would there be less performance gain? (I mean, more performance, but less bang for buck)
Thanks guys, I've just been wondering.
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post #2 of 25
I can't remember exactly but I think its optimal for idle or something, but thats usually not the case. You can most likely go higher and still recieve better preformance. There is a certain point where increasing the clocks won't help to a phase were increasing the clocks hurt. The optimal is a good place to start, try going from there until your game stable =)
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post #3 of 25
Thread Starter 
Thanks man, I've been fiddleing quite a bit with it, found a nice area with good performance, but what should I look out for to find any signs of damaging settings?
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post #4 of 25
Artifacting. If you get little shapes that are not the color they are supposed to be, then lower the clocks about 5-10 MHz and try again.
post #5 of 25
Thread Starter 
Thanks. I understand now, before... Damage from OCing was like being run over by a bus... "It happens to other people, but won't happen to me", but now I know what to look out for.
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post #6 of 25
From what I've read, the 7800 series are not great overclockers (like they need it), but you should be able to up it 10MHz past the optimum for the core, and about 30 for the mem. My optimum was 565/1000, and i'm 10/150 past that on my 6600GT.
post #7 of 25
Well considering the stock for a 7800GT is I think 420MHz and I can get mine to 500 I'd say it's pretty damn good at OC'ing, pretty much a GTX in disguise

but Kahuna, pretty much the Optimal Frequencies is the easiest way to OC that card and know you wont get any artifacts at least with mine I dont get any artifacts
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post #8 of 25
sortof.. missing 4 pipelines tho
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post #9 of 25
but the 4 missing pipelines are made up with the OC'ing, my 3dMarkScores pretty much say they do
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post #10 of 25
You can also use the new ATI tool, they work on nvidia's too.
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