Video RAM Clock Speed Formula

David Li

Honorable
Mar 12, 2013
46
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10,530
What's the formula used to find the vram clock speed?

A stock GTX 780 has 3.0gb of 3.0ghz vram, but in an article I read it said that it has 6.0ghz effective vram speed.

How much of an overclock in mhz would you need to increase it to 7.0ghz?