Whatsminer M31S vs S9j
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3344 W | 1350 W | |
| Release | 2020-04 | 2018-08 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $-3.35 | $-2.03 | |
| Score | 49/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Whatsminer M31S | S9j | |
|---|---|---|---|
| SHA-256 | 76 TH/s3344 W · 22.73 GH/s/W | 14 TH/s1350 W · 10.37 GH/s/W |