Whatsminer M21 vs A3
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1860 W | 1280 W | |
| Release | 2019-08 | 2018-01 | |
| Best opportunity |  BCHNetwork |  SCPNetwork | |
| Profit/day | $-2.44 | $-2.42 | |
| Score | 49/100 | 33/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Whatsminer M21 | A3 | |
|---|---|---|---|
| Blake (2b) | not supported | 820 GH/s1280 W · 640.6 MH/s/W | |
| SHA-256 | 31 TH/s1860 W · 16.67 GH/s/W | not supported |