440 sols on ZEC @150W - "For the same performance" lol.
To answer the question - yes the gtx 1070 is good for mining. At the moment mine ZEC.
Look at price and performance of amd cards. RX 470 and RX 480 are much better at price/performance ratio. Please ask yourself if Nvidia cards are actually better for mining why great majority still buy amd cards ?
I agree for ETH, but this does not apply for ZEC anymore with the recent nvidia miners. Not to mention that we can expect even more increase of performance.
Looking at long term everyone see ZEC as coin that is failing and will eventually fail. In my mind there is no point in investing at something like that (buying gear that is good for that only)
a 1070 is better at lbry too and vertcoin, spread etc...where amd is bad there or you need private expensive miner, etherum is also dying so no point in buying amd for that only