Whatsminer M21 vs Whatsminer M31S+
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1860 W | 3360 W | |
| Release | 2019-08 | 2020-12 | |
| Best opportunity |  BCHNetwork |  BTCNetwork | |
| Profit/day | $-2.43 | $-3.09 | |
| Score | 49/100 | 50/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Whatsminer M21 | Whatsminer M31S+ | |
|---|---|---|---|
| SHA-256 | 31 TH/s1860 W · 16.67 GH/s/W | 80 TH/s3360 W · 23.81 GH/s/W |