Antminer S21 Immersion (301Th) vs KA-BOX
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5569 W | 400 W | |
| Release | 2024-12 | 2024-03 | |
| Best opportunity |  BTCNetwork |  KASNetwork | |
| Profit/day | $2.44 | $-0.52 | |
| Score | 71/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21 Immersion (301Th) | KA-BOX | |
|---|---|---|---|
| KHeavyHash | not supported | 1.18 TH/s400 W · 2.95 GH/s/W | |
| SHA-256 | 215 TH/s3440 W · 62.5 GH/s/W | not supported |