K7 vs SealMiner A3 Air
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3080 W | 3640 W | |
| Release | 2022-11 | 2025-09 | |
| Best opportunity |  CKBNetwork |  BTCNetwork | |
| Profit/day | $-1.61 | $3.62 | |
| Score | 59/100 | 73/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.