Can someone share speeds for 280X and 290 ?
I am getting 0.32 to 0.33 cpd for R9 280x.
What drivers and frequencies are you using mate, cause im getting around 0.22-0.25 on 280X

Thanks
Radeon Driver 18.3.4 (Standard, not blockchain)
platform = "amd";
sieveSize = "420";
weaveDepth = "40960";
windowSize = "4096";
multiplierLimits = ["26", "33", "36"];
sievePerRound = ["7", "7", "5", "5", "5"];
I am running stock core speeds, but some reduced voltages to keep the cards from overheating