X4-QZ vs S19a
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 340 W | 3450 W | |
| Release | 2023-03 | 2021-11 | |
| Best opportunity |  QKCNetwork |  BTCNetwork | |
| Profit/day | $0.17 | $-2.75 | |
| Score | 60/100 | 54/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.