A11 vs A21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 2300 W | 1800 W | |
| Release | 2024-09 | 2025-01 | |
| Best opportunity |  BTCNetwork |  NEXNetwork | |
| Profit/day | $-3.57 | $4.75 | |
| Score | 49/100 | 69/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | A11 | A21 | |
|---|---|---|---|
| Blake3 | 1.2 TH/s2300 W · 521.7 MH/s/W | not supported | |
| Etchash | 1.5 GH/s2500 W · 600 kH/s/W | not supported | |
| Ethash | 1.5 GH/s2300 W · 652.2 kH/s/W | not supported | |
| NexaPoW | not supported | 3.4 GH/s1800 W · 1.889 MH/s/W | |
| SHA-256 | 72 TH/s3400 W · 21.18 GH/s/W | not supported | |
| SHA512256d | 3.2 TH/s2300 W · 1.391 GH/s/W | not supported |