Radeon RX 5xx cards are available; RX 470 still king for ETH mining

Just a quick note that the new Radeon RX 570 and RX 580 cards have become available for purchase over the last few days. Several people have sent me messages asking if they should be considering these for their mining rigs over RX 470/480 cards. The short answer is probably not, unless you find that the 5xx cards are actually significantly cheaper than their 4xx ancestors.

The new 5xx GPUs are essentially 4xx cards with higher core clock speeds. Memory clock speeds are unchanged—and memory speed is the most important factor when it comes to Ethereum mining. The increased core clock speed comes with a corresponding increase in power consumption, which probably makes the new cards less efficient for mining when compared to the older 4xx GPUs—at least at stock settings.

Unrelated, but I’m (finally) nearly finished with part 4 of my Ethereum mining guide. I should have it posted sometime tonight or tomorrow.

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