X4 Server (450 MH/s) vs SealMiner A4 Ultra Hydro
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 240 W | 8372 W | |
| Release | 2021-11 | 2026-05 | |
| Best opportunity |  QKCNetwork |  BTCNetwork | |
| Profit/day | $0.39 | $21.66 | |
| Score | 66/100 | 79/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.