Antminer S21 Immersion (215TH/s) vs Antminer S9 Hydro (18TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer S21 Immersion (215TH/s)
Option 2
Antminer S9 Hydro (18TH/s)
Antminer S21 Immersion (215TH/s) leads this comparison
Antminer S21 Immersion (215TH/s) comes out ahead on more buyer-facing signals here. Antminer S9 Hydro (18TH/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 S21 Immersion (215TH/s) | Antminer S9 Hydro (18TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Antminer | Contextual |
| Model | S21 | S9 | Contextual |
| Hashrate | 215 TH/s Best | 18 TH/s | Antminer S21 Immersion (215TH/s) |
| Power Consumption | 3440W | 1728W Best | Antminer S9 Hydro (18TH/s) |
| Efficiency | 16.00 J/TH Best | 96.00 J/TH | Antminer S21 Immersion (215TH/s) |
| Daily energy use | 82.6 kWh | 41.5 kWh Best | Antminer S9 Hydro (18TH/s) |
| Net Daily Profit (Est.) | $2.38 Best | -$1.88 | Antminer S21 Immersion (215TH/s) |
| Monthly Profit (Est.) | $71.29 Best | -$56.35 | Antminer S21 Immersion (215TH/s) |
| Price | $1,290.06 | N/A | Contextual |
| Estimated ROI | 18 mo | N/A | Contextual |
| Cooling | IMMERSION | HYDRO | Contextual |
| Dimensions | 293 x 364 x 236 mm | 125 x 360 x 190 mm | Contextual |
| Weight | 17150 g | 5150 g Best | Antminer S9 Hydro (18TH/s) |
Performance
Antminer S21 Immersion (215TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer S21 Immersion (215TH/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 S21 Immersion (215TH/s) or Antminer S9 Hydro (18TH/s)?
Antminer S21 Immersion (215TH/s) has a higher hashrate of 215 TH/s compared to Antminer S9 Hydro (18TH/s)'s 18 TH/s.
Is Antminer S21 Immersion (215TH/s) more efficient than Antminer S9 Hydro (18TH/s)?
Yes, Antminer S21 Immersion (215TH/s) is more energy efficient at 16.00 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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