SealMiner A3 Air vs B2
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3640 W | 1950 W | |
| Release | 2025-09 | 2018-10 | |
| Best opportunity |  BTCNetwork |  BCHNetwork | |
| Profit/day | $4.38 | $-2.73 | |
| Score | 74/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | SealMiner A3 Air | B2 | |
|---|---|---|---|
| SHA-256 | 260 TH/s3640 W · 71.43 GH/s/W | 24 TH/s1950 W · 12.31 GH/s/W |