AMD R9 280X is a graphics card released in August 2013, using the GCN 1 architecture and suitable for mining various cryptocurrencies. It has 2048 cores with a base clock of 850 MHz and a boost up to 1000 MHz. Memory of 3 GB GDDR5 is connected via a 384-bit bus with a bandwidth of 288 GB/s. Under current mining conditions, AMD R9 280X can generate revenue of around $0.03 per day before electricity costs. At $0.05 per kWh, net profit is approximately $-0.15. The most profitable coin is Ergo (ERG) (Autolykos2) with a hashrate of 25 Mh/s at 150 W. Occasionally, Ethereum Classic (ETC) and are mined as well, which can also be profitable depending on coin prices and blockchain network difficulty.