At the current market for ETH being $2700, and a 3090 offering a hashrate of 125MH/s, it appears the profit potential is roughly $3.50 per day, including $1 per day in electrical costs. Assuming the market stays at the level it is right now, one could pay for a 3090 by mining ETH for two years .
Read moreIs the RTX 3090 good for mining?
The RTX 3090 has an impressive 121 MH/s hash rate. But it has double the price tag as a RTX 3080 which manages 98 MH/s. Not great economy of scale here .
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