SealMiner A2 Pro Air vs U2
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3790 W | 1600 W | |
| Release | 2025-03 | 2018-09 | |
| Best opportunity |  BTCNetwork |  SCNetwork | |
| Profit/day | $4.61 | $1.78 | |
| Score | 74/100 | 53/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | SealMiner A2 Pro Air | U2 | |
|---|---|---|---|
| Blake (2b) | not supported | 5.5 TH/s1600 W · 3.438 GH/s/W | |
| SHA-256 | 255 TH/s3790 W · 67.28 GH/s/W | not supported |