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Antminer Z15 Pro vs Bitdeer SealMiner A4 Ultra Hydro

Equihash head-to-head: which miner wins on profit, efficiency and break-even rate at $0.072/kWh (snapshot August 07, 2026).

Antminer Z15 ProBitdeer SealMiner A4 Ultra Hydro
AlgorithmEquihashSHA-256
CoinsZECBTC
Hashrate840 kSol/s886 TH/s
Power draw2,780 W8,372 W
Efficiency3.3 J/GH9.4 J/TH
Revenue/day$32.75$28.34
Profit/day @ $0.072$27.95$13.88
Break-even elec.$0.491$0.141
Est. price$3,317$9,741
Verdict: The Antminer Z15 Pro wins this matchup — $27.95/day vs $13.88/day at $0.072/kWh, with a break-even rate of $0.491/kWh. The Bitdeer SealMiner A4 Ultra Hydro only makes sense at a significantly lower purchase price or electricity rate.
Bitmain
$27.95/day · $3,317
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