BK-B vs A21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 410 W | 1800 W | |
| Release | 2018-01 | 2025-01 | |
| Best opportunity |  SCPNetwork |  NEXNetwork | |
| Profit/day | $-0.57 | $4.71 | |
| Score | 33/100 | 69/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | BK-B | A21 | |
|---|---|---|---|
| Blake (14r) | 160 GH/s260 W · 615.4 MH/s/W | not supported | |
| Blake (2b) | 80 GH/s300 W · 266.7 MH/s/W | not supported | |
| LBRY | 40 GH/s400 W · 100 MH/s/W | not supported | |
| NexaPoW | not supported | 3.4 GH/s1800 W · 1.889 MH/s/W | |
| Pascal | 40 GH/s210 W · 190.5 MH/s/W | not supported |