X4-Q vs S9j
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 480 W | 1350 W | |
| Release | 2022-06 | 2018-08 | |
| Best opportunity |  QKCNetwork |  BTCNetwork | |
| Profit/day | $0.40 | $-2.00 | |
| Score | 64/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.