BW L21 vs SealMiner A4 Ultra Hydro
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 950 W | 8372 W | |
| Release | 2026-05 | ||
| Best opportunity |  DOGENetwork |  BTCNetwork | |
| Profit/day | $-1.57 | $21.10 | |
| Score | 49/100 | 79/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.