SealMiner DL1 Air vs Whatsminer M21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3725 W | 1860 W | |
| Release | 2026-05 | 2019-08 | |
| Best opportunity |  DOGENetwork |  BCHNetwork | |
| Profit/day | $6.78 | $-2.44 | |
| Score | 77/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.