BM-S3 vs Whatsminer M21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3100 W | 1860 W | |
| Release | 2024-03 | 2019-08 | |
| Best opportunity |  BTCNetwork | ||
| Profit/day | $-2.30 | ||
| Score | 49/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | BM-S3 | Whatsminer M21 | |
|---|---|---|---|
| Blake (2b-Sia) | 19 TH/s3100 W · 6.129 GH/s/W | not supported | |
| SHA-256 | not supported | 31 TH/s1860 W · 16.67 GH/s/W |