AvalonMiner 821 vs BM-S3+
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1200 W | 3400 W | |
| Release | |||
| Best opportunity |  BCHNetwork | ||
| Profit/day | $-1.91 | ||
| Score | 49/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | AvalonMiner 821 | BM-S3+ | |
|---|---|---|---|
| Blake (2b-Sia) | not supported | 25 TH/s3400 W · 7.353 GH/s/W | |
| SHA-256 | 11.5 TH/s1200 W · 9.583 GH/s/W | not supported |