Antminer S21 XP (270Th) vs A9++ ZMaster
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3645 W | 1550 W | |
| Release | 2024-10 | ||
| Best opportunity |  BTCNetwork | ||
| Profit/day | $3.89 | ||
| Score | 74/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.