Antminer S21+ (216Th) vs A8C CryptoMaster
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3564 W | 175 W | |
| Release | 2025-02 | 2018-05 | |
| Best opportunity |  BTCNetwork | ||
| Profit/day | $1.90 | ||
| Score | 70/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21+ (216Th) | A8C CryptoMaster | |
|---|---|---|---|
| CryptoNight | not supported | 80 kH/s175 W · 457.1 H/s/W | |
| SHA-256 | 216 TH/s3564 W · 60.61 GH/s/W | not supported |