Whatsminer M21 vs Antminer Z9
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1860 W | 970 W | |
| Release | 2019-08 | 2018-09 | |
| Best opportunity |  BCHNetwork |  ZECNetwork | |
| Profit/day | $-2.48 | $0.54 | |
| Score | 49/100 | 70/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.