X7 vs Whatsminer M21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1420 W | 1860 W | |
| Release | 2019-06 | 2019-08 | |
| Best opportunity |  DASHNetwork |  BCHNetwork | |
| Profit/day | $-0.47 | $-2.40 | |
| Score | 62/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.