Hi, if someone have overclocked this card or undervolted ?

https://www.techpowerup.com/gpu-specs/images/b/4747-front.small.jpg

I don't know if there is some modded bios for.
And i have a 480 rx nitro+ i need the same.
Now i m at 24~Mh by card  with ~100w by card too.
Thank you