A9+ ZMaster vs AvalonMiner 921
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1550 W | 1700 W | |
| Release | 2019-01 | 2018-09 | |
| Best opportunity |  ZECNetwork |  BTCNetwork | |
| Profit/day | $4.05 | $-2.41 | |
| Score | 79/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.