Antminer S21j XP Hyd (495Th) vs Whatsminer M31S
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5940 W | 3344 W | |
| Release | 2026-03 | 2020-04 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $10.23 | $-3.10 | |
| Score | 76/100 | 50/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21j XP Hyd (495Th) | Whatsminer M31S | |
|---|---|---|---|
| SHA-256 | 495 TH/s5940 W · 83.33 GH/s/W | 76 TH/s3344 W · 22.73 GH/s/W |