Antminer S21 Immersion (301Th) vs KD-BOX 2
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5569 W | 400 W | |
| Release | 2024-12 | 2022-12 | |
| Best opportunity |  BTCNetwork | ||
| Profit/day | $2.22 | ||
| Score | 71/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21 Immersion (301Th) | KD-BOX 2 | |
|---|---|---|---|
| Blake (2s-Kadena) | not supported | 3.5 TH/s260 W · 13.46 GH/s/W | |
| Blake (2s) | not supported | 5 TH/s400 W · 12.5 GH/s/W | |
| SHA-256 | 215 TH/s3440 W · 62.5 GH/s/W | not supported |