AvalonMiner 921 vs X4 Server (2500 MH/s)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1700 W | 1200 W | |
| Release | 2018-09 | 2021-11 | |
| Best opportunity |  BCHNetwork |  ETCNetwork | |
| Profit/day | $-2.53 | $-0.48 | |
| Score | 49/100 | 61/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.