'...I lowered RFC to 82 (crashes at 80), and messed around with raising REF. Running at RFC 82 REF 50 gives around 545H/S.. which is a nice increase.
                                          Cards also seemed stable at REF 100, and this got around 549H/S. How high can REF go? Well turns out no higher than 150 with my cards at least...'
                         [end quote]
As I said, I have not seen yet amdmemtweak example commands for RX550s or even RX470,480s, 580s. A lot for Vegas though and I understand it's where there are significant advantages.

Can anyone share amdmemtweak examples for RX550s and 480s?
Thanks
Armando

Been testing Lexa RX550's (2gb elipida) with this tool. (To get them running with amdmemtweak linux cli version you need to add to IsRelevantDeviceID.


Starting hashrate was approx 529H/S with TRM 1930 MEM, 1130 CORE.

I lowered RFC to 82 (crashes at 80), and messed around with raising REF. Running at RFC 82 REF 50 gives around 545H/S.. which is a nice increase.

Cards also seemed stable at REF 100, and this got around 549H/S. How high can REF go? Well turns out no higher than 150 with my cards at least.

Seems like there is even more room for improvement with these cards... I will continue to experiment. I noticed someone selling a BIOS mod that claims 650H/S on these cards, so that seems like a nice target (if it really exists). Am I correct in saying that REF can't be changed with a BIOS mod? so this 650H/S bios mod (if real) must have gotten the increase without using REF?

Thanks for the tool, hopefully will report back with better hashrate increases for these cards.