Antminer S21 (200Th) vs Antminer Z9
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3500 W | 970 W | |
| Release | 2024-02 | 2018-09 | |
| Best opportunity |  BTCNetwork |  ZECNetwork | |
| Profit/day | $1.16 | $1.14 | |
| Score | 69/100 | 74/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.