AvalonMiner 821 vs U2
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1200 W | 1600 W | |
| Release | 2018-02 | 2018-09 | |
| Best opportunity |  BCHNetwork |  SCPNetwork | |
| Profit/day | $-1.88 | $-2.85 | |
| Score | 49/100 | 33/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | AvalonMiner 821 | U2 | |
|---|---|---|---|
| Blake (2b) | not supported | 5.5 TH/s1600 W · 3.438 GH/s/W | |
| SHA-256 | 11.5 TH/s1200 W · 9.583 GH/s/W | not supported |