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What cause an artifact ??
- Thread starter bektaz
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Artifacts are caused when the card is running to high of clock and its unstable. If you overclock and the card gets to hot, not enough voltage, it can artifact, crash or just fry. Both the mem and gpu can cause artifacts when the become unstable becuase the send corrupted data. Raising either core or mem will add performance, but usally the core will give more performance. A lot will depend on you cooling and voltages.
-Dan
-Dan
Jimmy 2004
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It is VERY unlikely that you will fry your card - most GPUs take a lot of heat before they get damaged. It will never 'just fry' on modern cards - it will always crash or artifact first.
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Yes you are right but I was just saying that you can do damage to to mem. Its still possible to fry things, someone posted the other day that they fried the mem on thier 9800. But you can still get the odd case of sudden death. But as you said most things have safe guards now for the overclockers. 
-Dan
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Core makes a lot more performance than ram speed. (If you've got an ATI card and are using ATI Toolbektaz said:does anyone knows what cause an artifact in OCing VGA card, raising the core of GPU or the memory freq???. and which is more effective, raising the GPU core or memfreq to UCing VGA ??? Thanks..
Leave the memory at stock speeds and do find max core. Once it finds the maximum core frequency, lower it by about 5mhz and then do a find max memory test while leaving the core overclocked. Once it finds the max memory (It may not go that far) then leave it at that speed (or a little lower). Then with both the core and ram overclocked, scan for artifacts for about 15 minutes. Make note of the time when you started. Say its 8:45, come back at 9 and the test should say 15 minutes. If it says something like 7 minutes or 10 minutes, that means the test has found an artifact and restarted, therefore it is unstable and should be declocked slightly.- Joined
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Well snow can be considered a artifact. A artifact is a unwanted image distortion that can show up as dots or things that should not be there, usally means the hardware is being pushed to hard or is damaged. A single artifact is usally the gpu and when you get 16 pixel ones its your mem.
-Dan
-Dan