A8 CryptoMaster vs Whatsminer M21S
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 350 W | 3360 W | |
| Release | 2018-04 | 2019-06 | |
| Best opportunity |  BCHNetwork | ||
| Profit/day | $-4.37 | ||
| Score | 49/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | A8 CryptoMaster | Whatsminer M21S | |
|---|---|---|---|
| CryptoNight | 160 kH/s350 W · 457.1 H/s/W | not supported | |
| SHA-256 | not supported | 56 TH/s3360 W · 16.67 GH/s/W |