Antminer S21 Immersion (301Th) vs KS0 ULTRA
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5569 W | 100 W | |
| Release | 2024-12 | 2024-05 | |
| Best opportunity |  BTCNetwork |  KASNetwork | |
| Profit/day | $2.41 | $-0.12 | |
| Score | 71/100 | 48/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21 Immersion (301Th) | KS0 ULTRA | |
|---|---|---|---|
| KHeavyHash | not supported | 400 GH/s100 W · 4 GH/s/W | |
| SHA-256 | 215 TH/s3440 W · 62.5 GH/s/W | not supported |