WhatsMiner M66 vs S9i
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5572 W | 1280 W | |
| Release | 2023-11 | 2018-05 | |
| Best opportunity |  BTCNetwork |  BCHNetwork | |
| Profit/day | $0.70 | $-1.99 | |
| Score | 66/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | WhatsMiner M66 | S9i | |
|---|---|---|---|
| SHA-256 | 280 TH/s5572 W · 50.25 GH/s/W | 13 TH/s1280 W · 10.16 GH/s/W |