WhatsMiner M66S vs WhatsMiner M70S
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5513 W | 3140 W | |
| Release | 2023-11 | 2025-12 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $0.99 | $2.75 | |
| Score | 67/100 | 73/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | WhatsMiner M66S | WhatsMiner M70S | |
|---|---|---|---|
| SHA-256 | 298 TH/s5513 W · 54.05 GH/s/W | 226 TH/s3140 W · 71.97 GH/s/W |