A3 vs AvalonMiner 921
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1280 W | 1700 W | |
| Release | 2018-01 | 2018-09 | |
| Best opportunity |  SCPNetwork |  BTCNetwork | |
| Profit/day | $-2.43 | $-2.43 | |
| Score | 33/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | A3 | AvalonMiner 921 | |
|---|---|---|---|
| Blake (2b) | 820 GH/s1280 W · 640.6 MH/s/W | not supported | |
| SHA-256 | not supported | 20 TH/s1700 W · 11.76 GH/s/W |