Antminer KS7 (40Th) vs Antminer S21 (200Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3080 W | 3500 W | |
| Release | 2025-05 | 2024-02 | |
| Best opportunity |  KASNetwork |  BTCNetwork | |
| Profit/day | $3.06 | $2.02 | |
| Score | 73/100 | 71/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer KS7 (40Th) | Antminer S21 (200Th) | |
|---|---|---|---|
| KHeavyHash | 40 TH/s3080 W · 12.99 GH/s/W | not supported | |
| SHA-256 | not supported | 200 TH/s3500 W · 57.14 GH/s/W |