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Bitmain Antminer G2

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Is the Antminer G2 profitable?

The Bitmain Antminer G2 mines Ethereum Classic on the Etchash algorithm at 220 MH/s, drawing 1,200 W (5.5 J/MH). At $0.08 per kWh it earns about $0.16 a day but spends $2.30 on power, so it loses $2.15 a day. It only makes money if your power costs less than about $0.005 per kWh.

That puts it #361 of 522 on daily profit across every miner we track, and #39 of 39 Etchash miners on efficiency. It isn’t in stock with us at the moment. It’s an air-cooled unit, released in December 2017.

Profit at different electricity prices

Same machine, same day, different power bill. Find the row closest to what you pay.

Power pricePower / dayProfit / dayProfit / month
$0.03$0.86-$0.71-$21
$0.05$1.44-$1.28-$39
$0.06$1.73-$1.57-$47
$0.08$2.30-$2.15-$64
$0.10$2.88-$2.72-$82
$0.12$3.46-$3.30-$99
$0.15$4.32-$4.16-$125

Figures updated 16:26 UTC, 25 September 2026, using today’s network difficulty and coin prices. Estimates, not financial advice.