Antminer T21 (180Th) vs Antminer Z9 Mini
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3420 W | 300 W | |
| Release | 2024-04 | 2018-06 | |
| Best opportunity |  BTCNetwork |  ZECNetwork | |
| Profit/day | $0.79 | $-0.09 | |
| Score | 68/100 | 62/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.