SealMiner A3 Pro Hydro (660TH/s) vs Antminer S9j (14.5TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
SealMiner A3 Pro Hydro (660TH/s)
Option 2
Antminer S9j (14.5TH/s)
SealMiner A3 Pro Hydro (660TH/s) leads this comparison
SealMiner A3 Pro Hydro (660TH/s) comes out ahead on more buyer-facing signals here. Antminer S9j (14.5TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.
Profit estimates use currently available product data and a hosted electricity rate of $0.060/kWh.
Technical comparison
Side-by-side mining, operating, and commercial specs.
| Feature | SealMiner A3 Pro Hydro (660TH/s) | Antminer S9j (14.5TH/s) | Advantage |
|---|---|---|---|
| Brand | SealMiner | Antminer | Contextual |
| Model | A3 | S9 | Contextual |
| Hashrate | 660 TH/s Best | 14.5 TH/s | SealMiner A3 Pro Hydro (660TH/s) |
| Power Consumption | 8250W | 1350W Best | Antminer S9j (14.5TH/s) |
| Efficiency | 12.50 J/TH Best | 93.10 J/TH | SealMiner A3 Pro Hydro (660TH/s) |
| Daily energy use | 198.0 kWh | 32.4 kWh Best | Antminer S9j (14.5TH/s) |
| Net Daily Profit (Est.) | $13.51 Best | -$1.46 | SealMiner A3 Pro Hydro (660TH/s) |
| Monthly Profit (Est.) | $405.30 Best | -$43.92 | SealMiner A3 Pro Hydro (660TH/s) |
| Price | $8,457.37 | N/A | Contextual |
| Estimated ROI | 21 mo | N/A | Contextual |
| Cooling | HYDRO | AIR | Contextual |
| Dimensions | 482 x 86 x 665 mm | 135 x 350 x 158 mm | Contextual |
| Weight | 20500 g | 4200 g Best | Antminer S9j (14.5TH/s) |
Performance
SealMiner A3 Pro Hydro (660TH/s) has the hashrate edge for raw output potential.
Efficiency
SealMiner A3 Pro Hydro (660TH/s) is stronger when comparing joules per hash unit.
Buying decision
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
Frequently asked questions
Which is more powerful: SealMiner A3 Pro Hydro (660TH/s) or Antminer S9j (14.5TH/s)?
SealMiner A3 Pro Hydro (660TH/s) has a higher hashrate of 660 TH/s compared to Antminer S9j (14.5TH/s)'s 14.5 TH/s.
Is SealMiner A3 Pro Hydro (660TH/s) more efficient than Antminer S9j (14.5TH/s)?
Yes, SealMiner A3 Pro Hydro (660TH/s) is more energy efficient at 12.50 J/TH.
Which miner has the better estimated ROI?
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
Every Day You Wait is Revenue You Lose
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