Comment # 25 on bug 109955 from Matt Coffin

(In reply to Mauro Gaspari from comment #24)

> Hi, a bit frustrating eh? :)
> I have been asking around and it seems that RadeonVII and RX590 do not
> suffer those issues. Probably related to default clock speeds by
> manufacturers.

FWIW, I'm seeing this exact same issue, and I'm on an RX590.