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8800GTS G92 Overclock - Page 6

post #51 of 124
The reason your 3dmark score is 'low' is because of your processor.

That test at stock is extremely cpu-limited with a 8800gts 512, not to mention that a part of your score is the cpu test itself.

Check my sig to see the score you could expect if you upgrade/oc your processor. My gpu clocks are only slightly higher than the one's you're hitting, but look at my score. The difference between our scores is at least 90% processor related.

BTW, I can *only* run the clocks I have in my sig with the fan on at least 80%, otherwise, 3dmark will crash on the Canyon Flight test, every time. For 24/7 use I run 756/1899/1101 with the fan at 56%. There definitely appear to be two different types of memory chips that come on these cards, though, I happened to luck out with a card that'll do over 2300 (ddr) on the mem without a problem, but that doesn't seem to be 'the norm'.

Another thing to note that is some import is that *ACTUAL* clocks you're running your card at are NOT the one's you have set the sliders on, they are the ones that show up in the Graphs in the Rivatuner. As you can see by your own screenshot, the two are not the same. This is because there are only certain, discreet numbers that each of the three settings can be set to. The shaders in particular can take very sudden and large jumps ... a phenomena to watch for.

Lastly, dude, JUST DO IT. You aren't gonna fry your card, pretty much no matter what you do. It'll just crash, freeze up, artifact, etc. But it's not going to get damaged, so just push it to the max that it'll do, just to see your max OC. THen back it down a little for daily use and you'll be golden.
    
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post #52 of 124
i used RivaTuner to overclock and since ATITOOL doesn't work on my 64-Bit Vista system, i found a program called Vide Card Stability Test to test the overclock.
http://freestone-group.com/video-car...ility-test.htm
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post #53 of 124
Quote:
Originally Posted by Kornowski View Post
I tried out CoD4 and Crysis...

I was getting about 80FPS in CoD4, I'm now getting 91.

In Crysis, I'd get about 25FPS, now I'm getting 30FPS... I don't know...
From where I sit, the difference between 25 and 30 fps in crysis is pretty f-ing huge.

Besides being a 20% performance improvement, it's the difference between 'I'm annoyed' and 'I'm pretty damn happy' playing the game.
    
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post #54 of 124
Thread Starter 
Bret, thanks a lot for the help! Very detailed!

I've noticed that my core clock is higher than your guys, mines at 775. Should I back this down a little, would it give better temps?

I think that my fan on 60% is the highest I'd go, I think I'll try your settings, good idea?

Also, its the shaders that give the most performance gain, right?

Thanks a ton for the help!
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post #55 of 124
Personally I don't much worry about temps unless they are so high it causes my card to crash...in which case, I up the fan speed. However, because the temp measuring ability of the card is in reality quite limited (you can't see the memory chip temps, for example), I don't really even pay attention to the temp gauge. What I pay attention to is whether or not the card CRASHES. If it doesn't crash, then it's cool enough for me. There is really no better indicator of the *reality* of whether or not it's running 'too hot' than it's stability. In my book, at least.

Furthermore, I think you'll find that the clocks you set the card to aren't going to affect the temps you'll see on the monitor very much, if at all. The monitored temps are going to track much more closely with how hard the gpu is working, how slow/fast the gpu fan is spinning relative to the work being done, along with the case ventilation, and the ambient room temperature.

I guess what I'm saying is that the temp gauge is not really worth obsessing over, IMHO. These cards aren't gonna get damaged unless they're running like 100C or more, and they're likely to be crashing constantly long before they are at risk of damage from heat.
    
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post #56 of 124
With regards to your question about shader clocks ... the short answer is: No, I would not say that is entirely accurate. If you have to pick just one, then raising the core speed is the setting most likely to improve your performance overall in the greatest number of scenarios. But it varies somewhat by the situation ... what test you're running, what settings, etc. All three settings have different effects in different scenarios. If you raise them all, you stand the best chance of improving performance as much as possible, because they all work in conjunction with one another. Make sense?
    
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post #57 of 124
Thread Starter 
Another great help! Thanks a lot!

I may try your settings for my card, do you think that's wise?

Or should I stick with that I've got?

Also, Can I use ATI Tool to find the max clocks my card can do, I heard it does that?
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post #58 of 124
Thread Starter 
Hows this?

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post #59 of 124
^^^^ That is pretty good, you probably won't get much higher without a volt-mod. Although some cards are nicer than others, I've seen a couple hit around 800mhz core.
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post #60 of 124
Unlink the shader clock from the GPU clock and you may be able to go over 800 on the GPU! Just leave the shader where it is.
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