My old xxt worked with it but died on me. Last edited: Jun 18, I cannot use the atitools overclocking either and I have the same Sapphire card you do. Joined Apr 16, Messages 0. I believe w1zzard said that ATI's own overclocking program increased the latency of the vid card memory so it can get high clocks.
ATItool doesn't automatically mess with the memory latency, so the clock frequency will be lower, but the performance will be better. Joined Dec 18, Messages 7, 1. KennyT New Member. However, I am curious to see what kind of impact a minor-to-medium overclock to the GPU would bring. Do most THers feel confident that Auto-Tune can bring about a stable overclock?
Or is an alternative like ATI Tool better? Or is it better to just slightly tweak the ghz up from to and be happy with whatever benefit it produces? Well, any thoughts or comments from Forum experts and veterans would be greatly appreciated.
PS - My card has a basic stock cooler the oval shape type. And I am not planning on adding any cooling at this time. Aug 16, 59 0 18, 1. As far as Overdrive it does an ok job for a free package with the drivers. Mar 5, 0 19, What would a good overclock mean to you in framerates? So if you get 30 fps in Crysis now, you may see with a large overclock. Is that worth it for the work and noise from the fan due to the heat?
Generally the Overdrive feature is pretty tame - slide everything to its limit and see if it works. Once you bump up against those limits - and need more - then yu can start to play with those tools. But more clock and more voltage means more heat and you will have to deal with it at some point. Thanks vvh. The base clock speeds of your GPU and memory will depend on the ATI video card you have, but no matter what card you have you'll want to adjust both the GPU and memory clock sliders in small increments.
Adjust both sliders up by 10Mhz and then click the Test Custom Clocks button. A test pattern will appear. This test strains the GPU to make sure it can function at the new settings.
If the test passes you can adjust the the sliders up by another 10Mhz. Rinse and repeat. Eventually the test will crash or will display some strange graphics errors known as artifacts which are a sign that the GPU has been pushed too far.
When this happens, reduce the clock speed of the GPU and the memory by 10Mhz. Once you have reached the maximum overclock which passes the test you'll need to verify that the overclock is stable by putting the video card through some demanding tests. A common, highly recommended free program for testing a GPU's overclock is Furmark.
Furmark puts a huge demand on the video card and will reveal any weakness. If running Furmark for ten minutes doesn't appear to have caused any crashes your overclock is stable. If Furmark crashes, however, you'll need to reduce the GPU and memory overclock further and try to pass Furmark again. Carefully adjusting GPU and memory clock settings and then testing them with Furmark can take anywhere from thirty minutes to several hours. Privacy Policy. Contact Us. Terms of Use.
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