B7 vs WhatsMiner M66S+
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 530 W | 5406 W | |
| Release | 2019-02 | 2024-09 | |
| Best opportunity |  BTCNetwork | ||
| Profit/day | $3.29 | ||
| Score | 71/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.