Can anyone help me. I'm using claymore 11.2 on my RX 570 and only getting 420 h/s for Monero. My card is bios flashed overclocked and with blockchain drivers. I'm getting on the high ends for claymore ETH 29mhs and zcash 312 sols so I'm confused why it's so insanely low in cryptonote. Also I have tried mining Monero in Minergate software for comparison and im getting 700 h/s so I feel something is definitely wrong.
This does sound low for a RX570 on Monero, I get almost 500 h/s on an R9 270x 2GB mining Cryptonote, and 750 h/s on an RX 470 4GB.
But what I found is that the R9 270x runs much better on Claymore v9.7 than it does on v11.2, so try using earlier version of Claymore and see if that helps.
v9.7 doesn't support the new algo change (v7).
It's a pitty v9.7 won't support the Monero algo change. I've been mining Electroneum for a while as I find it more profitable than Monero but, of course, when the Cryptonote ASICs start en-mass all current Cryptonote coins will be effectively unminable by GPU's unless they too change algo. There was a warning not to buy these ASICs as the Cryptonote coins will change algo and you will be left with a very expensive brick.
All we can do is hope Claymore feels like going above and beyond and follow through with his idea to re-include the old binaries for the cards that stopped being supported post-9.7 (HD 5000+6000 series, including HD 6990 which is still fairly widely used) The older binaries for the early GCN cards (7000, R9 200 series) also seemed to work "optimally" with 10.2 and earlier. My hobby rig is currently sitting in the limbo, and Ive already switched coins on both cards just because the older HD 6950 will no longer provide its break-even hashrate of 200H/sec. Id like to continue to mine monero on both cards (HD 6950 + R9 270X) but if I cannot on the Cayman card then the Pitcairn card is not worth it alone to mine monero.
If anyone wants to know I switched to neoscrypt with the HD 6950, nsgminer is still compatible, and Im using Claymore's Zcash/BTG to mine equihash on the R9 270X.