A9 ZMaster vs Antminer K7 (63.5Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 620 W | 3080 W | |
| Release | 2018-06 | 2023-01 | |
| Best opportunity |  ZECNetwork |  CKBNetwork | |
| Profit/day | $2.80 | $-0.88 | |
| Score | 82/100 | 62/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.