Antminer S21+ Hydro (338TH/s) vs Antminer S15 (28TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer S21+ Hydro (338TH/s)
Option 2
Antminer S15 (28TH/s)
Antminer S21+ Hydro (338TH/s) leads this comparison
Antminer S21+ Hydro (338TH/s) comes out ahead on more buyer-facing signals here. Antminer S15 (28TH/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+ Hydro (338TH/s) | Antminer S15 (28TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Antminer | Contextual |
| Model | S21+ | S15 | Contextual |
| Hashrate | 338 TH/s Best | 28 TH/s | Antminer S21+ Hydro (338TH/s) |
| Power Consumption | 4785W | 1596W Best | Antminer S15 (28TH/s) |
| Efficiency | 14.16 J/TH Best | 57.00 J/TH | Antminer S21+ Hydro (338TH/s) |
| Daily energy use | 114.8 kWh | 38.3 kWh Best | Antminer S15 (28TH/s) |
| Net Daily Profit (Est.) | $4.06 Best | -$1.41 | Antminer S21+ Hydro (338TH/s) |
| Monthly Profit (Est.) | $121.79 Best | -$42.25 | Antminer S21+ Hydro (338TH/s) |
| Price | $2,165.60 | N/A | Contextual |
| Estimated ROI | 18 mo | N/A | Contextual |
| Cooling | HYDRO | AIR | Contextual |
| Dimensions | 410 x 209 x 170 mm | 176 x 279 x 221 mm | Contextual |
| Weight | 17000 g | 7000 g Best | Antminer S15 (28TH/s) |
Performance
Antminer S21+ Hydro (338TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer S21+ Hydro (338TH/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+ Hydro (338TH/s) or Antminer S15 (28TH/s)?
Antminer S21+ Hydro (338TH/s) has a higher hashrate of 338 TH/s compared to Antminer S15 (28TH/s)'s 28 TH/s.
Is Antminer S21+ Hydro (338TH/s) more efficient than Antminer S15 (28TH/s)?
Yes, Antminer S21+ Hydro (338TH/s) is more energy efficient at 14.16 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
Curious? Let’s connect to answer your questions.