SealMiner A4 Ultra Hydro vs A8 CryptoMaster
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 8372 W | 350 W | |
| Release | 2026-05 | 2018-04 | |
| Best opportunity |  BTCNetwork | ||
| Profit/day | $19.46 | ||
| Score | 78/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | SealMiner A4 Ultra Hydro | A8 CryptoMaster | |
|---|---|---|---|
| CryptoNight | not supported | 160 kH/s350 W · 457.1 H/s/W | |
| SHA-256 | 886 TH/s8372 W · 105.8 GH/s/W | not supported |