X4 vs WhatsMiner M66S
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1200 W | 5513 W | |
| Release | 2021-11 | 2023-11 | |
| Best opportunity |  ETCNetwork |  BTCNetwork | |
| Profit/day | $-0.25 | $1.68 | |
| Score | 63/100 | 68/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.