AMD Zec/Zen Mining?

[Truthchanter]

I hear for Zec/Zen, nvidia is usually used, but for those mining it with amd 400 500 series, how much are you undervolting (and underclocking gpu if at all)? how is it currently profit per power consumption vs eth and eth/dcr?

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[on3tee]

I get ~27MH/s with rx580's stable @ 100W.  2100MHZ memory and 1175mv max.  This is with a bios mod.  Not awesome, not terrible either.  There are numerous calculators out there to compare cards/profit with.        

[Vann]

AMD RX 470/480 570/580 should easily get ~310+ H/s on Equihash with a 1250-1350 MHz core clock and 1950 MHz memory overclock. Power consumption is pretty high though. Almost the same as ETH mining.

https://bitcointalk.org/index.php?topic=2273535.msg23161266#msg23161266

[Cereberus]

AMD RX 480 Sapphire Nitro+ 8GB cards are making 306 Sol/s with stock settings.

With overclocking only through Afterburner utility and not with any bios modification (not worth for mining Zcash) they are making 330-338 Sol/s

All cards have Samsung memory and I think this is a pretty good number for such cards although they are much more effective at mining Ethereum when a bios modification is in place, they go up to 30 Mhash for each card when mining Ethereum.