But you are locked to Nicehash, which has lower payout than at a pool, by a substantial amount.  So higher hash != higher pay.  After you factor in nicehash cut, its more like 320-330H stock, while a stock clocked 480 can do ~240.  So ~35% more hash, for 90% more cost.  It is more efficient, but that doesn't make up for gargantuan price difference.  Finally having good miners for Nvidia puts the cards in a much better position than before, but there isn't a clear cut winner.  Also, the good Nvidia miners came out when mining profit is really low.