Antminer S21 (200Th) vs A4+ LTCMaster
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3500 W | 750 W | |
| Release | 2024-02 | 2017-11 | |
| Best opportunity |  BTCNetwork |  DOGENetwork | |
| Profit/day | $1.52 | $-1.24 | |
| Score | 69/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.