SC1 vs A21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 500 W | 1800 W | |
| Release | 2018-05 | 2025-01 | |
| Best opportunity |  SCPNetwork |  NEXNetwork | |
| Profit/day | $-0.94 | $4.91 | |
| Score | 33/100 | 70/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | SC1 | A21 | |
|---|---|---|---|
| Blake (2b-Sia) | 550 GH/s500 W · 1.1 GH/s/W | not supported | |
| Blake (2b) | 550 GH/s500 W · 1.1 GH/s/W | not supported | |
| NexaPoW | not supported | 3.4 GH/s1800 W · 1.889 MH/s/W |