BK-B vs Antminer S21+ (235Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 410 W | 3877 W | |
| Release | 2018-01 | 2025-06 | |
| Best opportunity |  LBCNetwork |  BTCNetwork | |
| Profit/day | $-0.06 | $2.54 | |
| Score | 39/100 | 71/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | BK-B | Antminer S21+ (235Th) | |
|---|---|---|---|
| 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 | |
| Pascal | 40 GH/s210 W · 190.5 MH/s/W | not supported | |
| SHA-256 | not supported | 235 TH/s3877 W · 60.61 GH/s/W |