Antminer L9 Hyd 2U (27Gh) vs L21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5670 W | 950 W | |
| Release | 2025-11 | 2018-01 | |
| Best opportunity |  DOGENetwork |  LTCNetwork | |
| Profit/day | $-3.82 | $-1.78 | |
| Score | 56/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer L9 Hyd 2U (27Gh) | L21 | |
|---|---|---|---|
| Scrypt | 27 GH/s5670 W · 4.762 MH/s/W | 550 MH/s950 W · 578.9 kH/s/W |