SealMiner A3 Pro Air vs STU-U8 Pro
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3625 W | 2800 W | |
| Release | 2025-09 | 2019-09 | |
| Best opportunity |  BTCNetwork |  BCHNetwork | |
| Profit/day | $4.23 | $-3.23 | |
| Score | 74/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | SealMiner A3 Pro Air | STU-U8 Pro | |
|---|---|---|---|
| SHA-256 | 290 TH/s3625 W · 80 GH/s/W | 60 TH/s2800 W · 21.43 GH/s/W |