A21 vs RX0
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1800 W | 100 W | |
| Release | 2025-01 | 2024-09 | |
| Best opportunity |  NEXANetwork |  RXDNetwork | |
| Profit/day | $2.45 | $0.39 | |
| Score | 63/100 | 60/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | A21 | RX0 | |
|---|---|---|---|
| NexaPoW | 3.4 GH/s1800 W · 1.889 MH/s/W | not supported | |
| SHA512256d | not supported | 260 GH/s100 W · 2.6 GH/s/W |