Whatsminer M21S (56TH/s) vs Antminer S9 Hydro (18MH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Whatsminer M21S (56TH/s)
Option 2
Antminer S9 Hydro (18MH/s)
Antminer S9 Hydro (18MH/s) leads this comparison
Antminer S9 Hydro (18MH/s) comes out ahead on more buyer-facing signals here. Whatsminer M21S (56TH/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 | Whatsminer M21S (56TH/s) | Antminer S9 Hydro (18MH/s) | Advantage |
|---|---|---|---|
| Brand | MicroBT | N/A | Contextual |
| Model | M21 | N/A | Contextual |
| Hashrate | 56 TH/s Best | 18 MH/s | Whatsminer M21S (56TH/s) |
| Power Consumption | 3360W | 0W Best | Antminer S9 Hydro (18MH/s) |
| Efficiency | 60.00 J/TH | N/A | Contextual |
| Daily energy use | 80.6 kWh | 0.0 kWh Best | Antminer S9 Hydro (18MH/s) |
| Net Daily Profit (Est.) | -$3.03 | $0.61 Best | Antminer S9 Hydro (18MH/s) |
| Monthly Profit (Est.) | -$90.85 | $18.30 Best | Antminer S9 Hydro (18MH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | HYDRO | Contextual |
| Dimensions | 155 x 390 x 240 mm | 125 x 360 x 190 mm | Contextual |
| Weight | 12500 g | 5150 g Best | Antminer S9 Hydro (18MH/s) |
Performance
Whatsminer M21S (56TH/s) has the hashrate edge for raw output potential.
Efficiency
Efficiency data is not available for this comparison.
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: Whatsminer M21S (56TH/s) or Antminer S9 Hydro (18MH/s)?
Whatsminer M21S (56TH/s) has a higher hashrate of 56 TH/s compared to Antminer S9 Hydro (18MH/s)'s 18 MH/s.
Is Whatsminer M21S (56TH/s) more efficient than Antminer S9 Hydro (18MH/s)?
Efficiency data is not available for this comparison.
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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