SealMiner A2 vs Antminer T21 (190Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3730 W | 3610 W | |
| Release | 2025-03 | 2024-02 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $2.07 | $0.83 | |
| Score | 70/100 | 68/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | SealMiner A2 | Antminer T21 (190Th) | |
|---|---|---|---|
| SHA-256 | 226 TH/s3730 W · 60.59 GH/s/W | 190 TH/s3610 W · 52.63 GH/s/W |