Wrong, both are affected but more so the 4gb polaris cards
You're precious 8GB isn't saving you now. 100% wasted money.
Why are you all so obsessed with Ethereum, there is Zcash too which is soaring and I have switched my mining boards from Ethereum to Zcash and I am very happy with such move. Each board have 5 RX 480 Gpu-s from Sapphire with a bit of overclock I am reaching 335 Sols for a card and I making a good amount of money. I don't think this will stop for at least a good few months.
Its the giant in the room, if every with RX cards switches to Zcash what do you think will happen? It will be far less profitable than it is now....
Point is, Nvidia cards are now king for crypto. Claymore himself just said he could do nothing software wise to stop the eventual decline of the RX cards.
If you want 1070's you buy them TODAY. Ive already sold what little I had a 480/470/580/570 and got a nearly free upgrade to 1070's.
It feels pretty damn good to be justified in buying 10's of 1060s. recently too. Soon we will see 1050tis dry up as well. Some of those are capable of 15 mhs with samsung memory at +1000.
Ive always been for team green, AMD is trash and always will be. I should have never bought those RX cards.