Anyone with RX580 Nitro+ 8GB cards dual mining on ethermine.org -ETH and XVG on nlpool with less than 3% stale shares ?

I have avg 5% stale shares - sometimes 7,8 and sometimes 3 %

ps.
i will be waitimg for the new update from Claymore as i have 10 gpus rig and i have intel i3 6100 processor to see the difference