A21 vs Whatsminer M3X
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1800 W | 2050 W | |
| Release | 2025-01 | 2018-03 | |
| Best opportunity |  NEXANetwork |  BCHNetwork | |
| Profit/day | $1.30 | $-3.48 | |
| Score | 60/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.