X4-QZ vs Antminer S21j XP Hyd (495Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 340 W | 5940 W | |
| Release | 2023-03 | 2026-03 | |
| Best opportunity |  QKCNetwork |  BTCNetwork | |
| Profit/day | $0.46 | $8.38 | |
| Score | 64/100 | 75/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.