BK-N70 vs Antminer S21+ (235Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 220 W | 3877 W | |
| Release | 2018-05 | 2025-06 | |
| Best opportunity |  BTCNetwork | ||
| Profit/day | $2.07 | ||
| Score | 70/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | BK-N70 | Antminer S21+ (235Th) | |
|---|---|---|---|
| CryptoNight | 140 kH/s220 W · 636.4 H/s/W | not supported | |
| SHA-256 | not supported | 235 TH/s3877 W · 60.61 GH/s/W |