SealMiner A4 Pro Air vs Antminer S21 XP Immersion (300Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3662 W | 4050 W | |
| Release | 2026-05 | 2024-10 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $7.24 | $4.97 | |
| Score | 77/100 | 74/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | SealMiner A4 Pro Air | Antminer S21 XP Immersion (300Th) | |
|---|---|---|---|
| SHA-256 | 336 TH/s3662 W · 91.75 GH/s/W | 300 TH/s4050 W · 74.07 GH/s/W |