I got a couple of RX 580 Nitro+ cards, all have Elpida memory, and when I overclock the memory over 1900 the hashrate drops by a lot. Even when I get to 1901 the hashrate drops by about 8-10 mhs, the higher I go the more it drops.
When I get to 1950 it crashes immediately.
I see so many others with the Nitro+ going well over 2000 and getting 30+ mhs, it's disappointing. I'm sure it's partially related to the memory but is there anything I can try or do to push the card more?