Does overclocking GPU core downclock memory?

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Deleted member 217926

Guest
Core clock and memory aren't linked. Overclocking VRAM results in very small gains though. Almost too small to bother with although the VRAM on a 970 may very well overclock pretty nicely. The most performance gains will come from the core clock speed.
 
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Deleted member 217926

Guest
Get the core clock stable then play with the VRAM if you feel compelled. There won't be much gain.