AvalonMiner 821 vs KS0 ULTRA
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1200 W | 100 W | |
| Release | 2018-02 | 2024-05 | |
| Best opportunity |  BTCNetwork |  KASNetwork | |
| Profit/day | $-1.84 | $-0.11 | |
| Score | 49/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | AvalonMiner 821 | KS0 ULTRA | |
|---|---|---|---|
| KHeavyHash | not supported | 400 GH/s100 W · 4 GH/s/W | |
| SHA-256 | 11.5 TH/s1200 W · 9.583 GH/s/W | not supported |