S4 vs BK-N70
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 1400 W | 220 W | |
| Release | 2018-05 | ||
| Best opportunity |  BTCNetwork | ||
| Profit/day | $-2.60 | ||
| Score | 49/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | S4 | BK-N70 | |
|---|---|---|---|
| CryptoNight | not supported | 140 kH/s220 W · 636.4 H/s/W | |
| SHA-256 | 2 TH/s1400 W · 1.429 GH/s/W | not supported |