SealMiner A2 vs Antminer S21j XP Hyd (495Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3730 W | 5940 W | |
| Release | 2025-03 | 2026-03 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $2.35 | $9.44 | |
| Score | 71/100 | 76/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | SealMiner A2 | Antminer S21j XP Hyd (495Th) | |
|---|---|---|---|
| SHA-256 | 226 TH/s3730 W · 60.59 GH/s/W | 495 TH/s5940 W · 83.33 GH/s/W |