Originally Posted by Lfctony
If it doesn't produce obvious artifacts in Furmark it should be fine, then you should test it while gaming. As always, with video card overclocking its always the user that notices artifacts. Flashing textures is a memory problem, white dots and rendering errors (stretched textures etc) are core related errors...
Yip just found that out for my self, put the shader's to 1550MHz and got artifacting in furmark, just gonna testing at 1500MHz, clock core seems fine at 702MHz, think ill leave the memory at 2214MHz ... don't like messing with the memory to much!