Antminer S21 Immersion (301Th) vs Avalon A1566HA 2U
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 5569 W | 8064 W | |
| Release | 2024-12 | 2025-06 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $2.50 | $4.84 | |
| Score | 72/100 | 71/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21 Immersion (301Th) | Avalon A1566HA 2U | |
|---|---|---|---|
| SHA-256 | 215 TH/s3440 W · 62.5 GH/s/W | 480 TH/s8064 W · 59.52 GH/s/W |