F2 vs A21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | FPGA | ASIC | |
| Power | 1202 W | 1800 W | |
| Release | 2025-01 | ||
| Best opportunity |  DGBNetwork |  NEXANetwork | |
| Profit/day | $-1.64 | $4.82 | |
| Score | 28/100 | 67/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | F2 | A21 | |
|---|---|---|---|
| Blake (2s-Kadena) | 67.61 GH/s682 W · 99.13 MH/s/W | not supported | |
| KangarooTwelve | 65.88 GH/s912 W · 72.24 MH/s/W | not supported | |
| Keccak256 | 290 kH/s911 W · 318.3 H/s/W | not supported | |
| NexaPoW | not supported | 3.4 GH/s1800 W · 1.889 MH/s/W | |
| Odocrypt | 6.6 GH/s1202 W · 5.491 MH/s/W | not supported | |
| Tellor | 99.9 GH/s712 W · 140.3 MH/s/W | not supported |