Option 1
Antminer S9 (12.5TH/s)
Option 2
A4 Dominator (280MH/s)
Antminer S9 (12.5TH/s) leads this comparison
Antminer S9 (12.5TH/s) comes out ahead on more buyer-facing signals here. A4 Dominator (280MH/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 | Antminer S9 (12.5TH/s) | A4 Dominator (280MH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Innosilicon | Contextual |
| Model | S9 | A4 | Contextual |
| Hashrate | 12.5 TH/s Best | 280 MH/s | Antminer S9 (12.5TH/s) |
| Power Consumption | 1225W | 1050W Best | A4 Dominator (280MH/s) |
| Efficiency | 98.00 J/TH | 3.75 J/MH Best | A4 Dominator (280MH/s) |
| Daily energy use | 29.4 kWh | 25.2 kWh Best | A4 Dominator (280MH/s) |
| Net Daily Profit (Est.) | -$1.37 Best | -$1.40 | Antminer S9 (12.5TH/s) |
| Monthly Profit (Est.) | -$41.22 Best | -$42.06 | Antminer S9 (12.5TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 135 x 350 x 158 mm | 260 x 280 x 130 mm | Contextual |
| Weight | 4200 g Best | 9200 g | Antminer S9 (12.5TH/s) |
Performance
Antminer S9 (12.5TH/s) has the hashrate edge for raw output potential.
Efficiency
A4 Dominator (280MH/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: Antminer S9 (12.5TH/s) or A4 Dominator (280MH/s)?
Antminer S9 (12.5TH/s) has a higher hashrate of 12.5 TH/s compared to A4 Dominator (280MH/s)'s 280 MH/s.
Is Antminer S9 (12.5TH/s) more efficient than A4 Dominator (280MH/s)?
A4 Dominator (280MH/s) is more energy efficient at 3.75 J/MH.
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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