T3 39T vs WhatsMiner M66S++
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 2150 W | 5518 W | |
| Release | 2019-03 | 2024-12 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $-2.65 | $2.92 | |
| Score | 49/100 | 70/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | T3 39T | WhatsMiner M66S++ | |
|---|---|---|---|
| SHA-256 | 39 TH/s2150 W · 18.14 GH/s/W | 356 TH/s5518 W · 64.52 GH/s/W |