Antminer KA3 (173Th) vs A21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3287 W | 1800 W | |
| Release | 2024-06 | 2025-01 | |
| Best opportunity |  NEXANetwork | ||
| Profit/day | $4.02 | ||
| Score | 66/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer KA3 (173Th) | A21 | |
|---|---|---|---|
| Blake (2s-Kadena) | 173 TH/s3287 W · 52.63 GH/s/W | not supported | |
| Blake (2s) | 166 TH/s3154 W · 52.63 GH/s/W | not supported | |
| NexaPoW | not supported | 3.4 GH/s1800 W · 1.889 MH/s/W |