Antminer S21+ (235Th) vs A11
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3877 W | 2300 W | |
| Release | 2025-06 | 2024-09 | |
| Best opportunity |  BTCNetwork |  ETCNetwork | |
| Profit/day | $2.13 | $-3.46 | |
| Score | 70/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21+ (235Th) | A11 | |
|---|---|---|---|
| Blake3 | not supported | 1.2 TH/s2300 W · 521.7 MH/s/W | |
| Etchash | not supported | 1.5 GH/s2500 W · 600 kH/s/W | |
| Ethash | not supported | 1.5 GH/s2300 W · 652.2 kH/s/W | |
| SHA-256 | 235 TH/s3877 W · 60.61 GH/s/W | 72 TH/s3400 W · 21.18 GH/s/W | |
| SHA512256d | not supported | 3.2 TH/s2300 W · 1.391 GH/s/W |