You should use latest drivers with compute enabled or official mining drivers, as for your dual mining try lowering -dcri

got a cheap sapphire rx 470 8gb nitro+ for my rig. System is win 7 64bit with ‘robinhood’ amd driver. With bios mod i got 27,5mh/s for eth (without oc) using claymore 10.2.
When i’m dualmining (sia coin) the eth hashrate drops to 20mh/s (sia is at ~630). This didn’t happen for my different sapphire rx 480 8gb nitro +.

Anyone with the same problems? Any ideas to improve the hashrate?

Best!

I also have the Sapphire RX470 8G Hynix cards. Did you manage to resolve the hashrate issue you faced earlier?

english 😀

Oh.. i see :/ i was able to run them..

I ended up sending all the cards back to the supplier. Because they are mining specific cards they come with no Display out put. I tried to set everything up in bios for dual mode display. Because when I have a display connected to the motherboard there appears to be some sort of conflict between the onboard GPU and the RX 470 but since AMD decided not to install inbuilt dummy plugs into the GPU I cant get past the conflict. I know Nvidia must have installed dummy plugs on their mining cards because you dont get this issue. Yes I could have just installed a normal GPU to get past this conflict but that defeats the purpose of buying mining specific cards. And since these are mining cards I would have hoped AMD would have already altered the bios to suit mining.

have you also tested in benchmark mode ?

replied to your email 🙂

Hi! Yes I have this card, but mine is Hynix. I’m glad to hear another person has these mining edition cards. I bought quite a few of these Sapphire RX 470 mining edition 8GB (Hynix) Cards and I’m having trouble with them. I think it’s because I’m not used to AMD yet, been mining with NVIDIA only so far. I tried the V1 as mentioned in this article and not having the best of luck. I’m going to keep trying as I’m guessing I’m just doing something wrong.