WhatsMiner M66S vs A3
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5513 W | 1280 W | |
| Release | 2023-11 | 2018-01 | |
| Best opportunity |  BTCNetwork |  SCPNetwork | |
| Profit/day | $1.77 | $-2.43 | |
| Score | 68/100 | 33/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | WhatsMiner M66S | A3 | |
|---|---|---|---|
| Blake (2b) | not supported | 820 GH/s1280 W · 640.6 MH/s/W | |
| SHA-256 | 298 TH/s5513 W · 54.05 GH/s/W | not supported |