Flashing AMD Cards
This is my guide how you can improve your AMD card only with some steps.
You can save electricity and improve performance.
This tutorial is written for RX 570
Download or make proper BIOS for your card memory. You could choose some from this thread https://anorak.tech/t/msi-radeon-rx-570-armor-4g-oc/2889/76 or directly from my web
https://michaelkuty.com/files/1502131575/211/ with this rom I get 100W with 25+ MH/s on ETH.