A21 vs KAS KS7
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1800 W | 3500 W | |
| Release | 2025-01 | 2025-04 | |
| Best opportunity |  NEXNetwork |  KASNetwork | |
| Profit/day | $0.27 | $-2.73 | |
| Score | 57/100 | 53/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | A21 | KAS KS7 | |
|---|---|---|---|
| KHeavyHash | not supported | 30 TH/s3500 W · 8.571 GH/s/W | |
| NexaPoW | 3.4 GH/s1800 W · 1.889 MH/s/W | not supported |