WhatsMiner M66S++ vs Antminer S21+ Hyd (358Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5518 W | 5370 W | |
| Release | 2024-12 | 2025-08 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $4.13 | $4.50 | |
| Score | 72/100 | 72/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | WhatsMiner M66S++ | Antminer S21+ Hyd (358Th) | |
|---|---|---|---|
| SHA-256 | 356 TH/s5518 W · 64.52 GH/s/W | 358 TH/s5370 W · 66.67 GH/s/W |