Memory Clock Speed. Overclocking guidelines: leave on auto/standard, should work. Altering clock frequency or voltage may void any product warranties and reduce stability, security.
Ever since touching that button one of my GPUs (primary card in top slot) idles at max memory clock speeds and higher than usual core clock. Altering clock frequency or voltage may void any product warranties and reduce stability, security. If you can't figure that out on your own, then you should not be overclocking, sorry.
The memory, or VRAM on your GPU is used to temporarily store.
I don't typically OC my memory ever, other that the XMP profile, which is kind of an official.
How To Set Adjust Ram Clock Speed Frequency And Voltage In BIOS Manually. If you can't figure that out on your own, then you should not be overclocking, sorry. the memory clock speed is the speed that the memory works at, the gpu clock is the speed that the gpu core works at.