Antminer S21 Hydro vs Antminer S21 Pro
Antminer S21 Pro is more efficient (7% less energy per unit of hashrate), while Antminer S21 Hydro is more powerful. With expensive electricity Antminer S21 Pro pays off better; for maximum hashrate per unit choose Antminer S21 Hydro.
| Antminer S21 Hydro | Antminer S21 Pro | |
|---|---|---|
| Algorithm | SHA-256 | SHA-256 |
| Hashrate | 335 TH/s | 234 TH/s |
| Power draw | 5,360 W | 3,510 W |
| Efficiency | 16 J/TH | 15 J/TH |
| Electricity per day | 129 kWh | 84.2 kWh |
| Year | 2024 | 2024 |
| Cooling | Hydro | Air |
| Profit per day | … | … |
| from 291 000 UAH | from 159 400 UAH |
Green marks the better value. Profit is based on the current price and a standard tariff; see the calculator for an exact estimate. Profitability calculator →