A21 vs BM-K3
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1800 W | 3300 W | |
| Release | 2025-01 | 2022-12 | |
| Best opportunity |  NEXNetwork | ||
| Profit/day | $4.91 | ||
| Score | 70/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | A21 | BM-K3 | |
|---|---|---|---|
| Blake (2s-Kadena) | not supported | 70 TH/s3300 W · 21.21 GH/s/W | |
| Blake (2s) | not supported | 82 TH/s3200 W · 25.63 GH/s/W | |
| NexaPoW | 3.4 GH/s1800 W · 1.889 MH/s/W | not supported |