Antminer S21 XP+ Hyd (500Th) vs STU-U6
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5500 W | 2200 W | |
| Release | 2025-07 | 2019-11 | |
| Best opportunity |  BTCNetwork |  DASHNetwork | |
| Profit/day | $9.42 | $-1.56 | |
| Score | 76/100 | 56/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.