KD-BOX 2 vs SealMiner A4 Ultra Hydro
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 400 W | 8372 W | |
| Release | 2022-12 | 2026-05 | |
| Best opportunity |  BTCNetwork | ||
| Profit/day | $20.04 | ||
| Score | 78/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | KD-BOX 2 | SealMiner A4 Ultra Hydro | |
|---|---|---|---|
| Blake (2s-Kadena) | 3.5 TH/s260 W · 13.46 GH/s/W | not supported | |
| Blake (2s) | 5 TH/s400 W · 12.5 GH/s/W | not supported | |
| SHA-256 | not supported | 886 TH/s8372 W · 105.8 GH/s/W |