A21 vs X4-Q-C
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1800 W | 365 W | |
| Release | 2025-01 | 2022-06 | |
| Best opportunity |  NEXNetwork |  QKCNetwork | |
| Profit/day | $1.88 | $0.72 | |
| Score | 64/100 | 67/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.