A21 vs BM-K1 Blake2S Miner
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1800 W | 800 W | |
| Release | 2025-01 | 2020-11 | |
| Best opportunity |  NEXANetwork | ||
| Profit/day | $3.44 | ||
| Score | 65/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | A21 | BM-K1 Blake2S Miner | |
|---|---|---|---|
| Blake (2s-Kadena) | not supported | 5.3 TH/s800 W · 6.625 GH/s/W | |
| Blake (2s) | not supported | 5.3 TH/s800 W · 6.625 GH/s/W | |
| NexaPoW | 3.4 GH/s1800 W · 1.889 MH/s/W | not supported |