Antminer B3 (1Kh) vs Antminer K7 (63.5Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 380 W | 3080 W | |
| Release | 2018-05 | 2023-01 | |
| Best opportunity |  CKBNetwork | ||
| Profit/day | $-2.19 | ||
| Score | 56/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.