Antminer S21j XP Hyd (495Th) vs Antminer S9k (13.5Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5940 W | 1310 W | |
| Release | 2026-03 | 2019-08 | |
| Best opportunity |  BTCNetwork |  BCHNetwork | |
| Profit/day | $8.56 | $-2.10 | |
| Score | 75/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21j XP Hyd (495Th) | Antminer S9k (13.5Th) | |
|---|---|---|---|
| SHA-256 | 495 TH/s5940 W · 83.33 GH/s/W | 13.5 TH/s1310 W · 10.31 GH/s/W |