Antminer S21+ (225Th) vs KS3
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3712 W | 3200 W | |
| Release | 2025-06 | 2023-09 | |
| Best opportunity |  BTCNetwork |  KASNetwork | |
| Profit/day | $1.83 | $-4.22 | |
| Score | 70/100 | 48/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21+ (225Th) | KS3 | |
|---|---|---|---|
| KHeavyHash | not supported | 8 TH/s3200 W · 2.5 GH/s/W | |
| SHA-256 | 225 TH/s3712 W · 60.61 GH/s/W | not supported |