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Monday, May 1, 2017
Radeon R9 Fury X, R9 Fury, and R9 Nano Mining Performance
R9 Fury X with a CLC, R9 Fury in gargantuan Asus Strix format, and the diminutive R9 Nano. They're all happily mining away, though as you'll see in a moment, the earnings are only mediocre given the price. And don't go thinking that it's only now that the Fury cards are a poor choice -- when they were new, they cost almost twice as much as the R9 390, which actually performs pretty similarly for mining purposes.
You see, the problem with the Fiji chips is that they were never popular for mining, so the mining software was never fully optimized for the chips, which means they underperform. Also, in many hashing algorithms having tons of memory bandwidth isn't all that important (it varies, naturally), so HBM doesn't always show much benefit.
Anyway, for better or worse, here are the numbers -- for historical context if nothing else.
The bottom line is that the AMD Fiji-based GPUs were never great picks for mining from a price and power perspective, which in turn makes them worse from a software optimization perspective. You can mine with them, yes, but the Fury X at least will use 275W, or about $0.66 per day in power, and while the liquid cooling works great for temperatures, it's cumbersome if you want to put a bunch of cards into a mining rig. The R9 Fury is a bit better in some ways, but still not a great pick, and the prices on R9 Nano still put it out of consideration.
Even today, if you could find one of these cards for $300-$350, you'd be looking at ROI in around 135-160 days at best, and potentially as long as 200 days. Sadly, there are simply too many better alternatives -- including the old Radeon R9 390, which to this day typically matches the Fury X on income potential. With used 390 cards selling for $240 or less, at least there the ROI is closer to the RX 470: about 100-120 days. It's still more power hungry, though, which means you might end up limited by your circuit breaker if you want to build multiple rigs.