Antminer S21 Immersion (301Th) vs DG2
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5569 W | 3960 W | |
| Release | 2024-12 | 2025-06 | |
| Best opportunity |  BTCNetwork |  DOGENetwork | |
| Profit/day | $2.49 | $8.50 | |
| Score | 72/100 | 78/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.