Your Vega cards are hynix? That's the most weakest version of Vega cards mate Samsung and micron are the best, I also have two hynix Vega cards and one achieve 43MH while the second achieve 47MH, I will drop you my config
amdmemtweak --CL 18 --RC 34 --RP 13 --WR 11 --CWL 7 --FAW 12 --RAS 23 --REF 16000 --RFC 164 --RTP 6 --RRDL 4 --RRDS 3 --WTRL 4 --WTRS 4 --RCDRD 20 --RCDWR 11
Things will get easier for you if you use hiveOS instead
![](https://ip.bitcointalk.org/?u=https%3A%2F%2Fi.imgur.com%2FGQhwWIx.jpg&t=663&c=k8AqGsYtfni70Q)
You can just copy my tweak and insert in OC settings in hiveOS, also switch on
aggressive undervolting and insert my amdmemtweak into tweak section