WhatsMiner M66S+ vs S9i
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5406 W | 1280 W | |
| Release | 2024-09 | 2018-05 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $2.87 | $-1.92 | |
| Score | 70/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | WhatsMiner M66S+ | S9i | |
|---|---|---|---|
| SHA-256 | 318 TH/s5406 W · 58.82 GH/s/W | 13 TH/s1280 W · 10.16 GH/s/W |