Antminer A3 (815Gh) vs L21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1275 W | 950 W | |
| Release | 2018-01 | 2018-01 | |
| Best opportunity |  SCPNetwork |  DOGENetwork | |
| Profit/day | $-2.42 | $-1.45 | |
| Score | 33/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer A3 (815Gh) | L21 | |
|---|---|---|---|
| Blake (2b) | 815 GH/s1275 W · 639.2 MH/s/W | not supported | |
| Scrypt | not supported | 550 MH/s950 W · 578.9 kH/s/W |