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7700XT: memory/VRAM clock reduction?

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Title, is there any way to reduce memory clock on a 7700XT / RDNA3 AMD GPU (ideally without vBIOS).

I want to try ~60% of the stock clock, so going down from 2250Mhz to ~1500Mhz, lower is fine too
 

3x0

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It's locked down.
 
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Have you tried MSI Afterburner? Why you want to clock it that low though?
 
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