X4 Server (520 MH/s) vs BK-B
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 240 W | 410 W | |
| Release | 2021-11 | 2018-01 | |
| Best opportunity |  QKCNetwork |  DCRNetwork | |
| Profit/day | $0.40 | $3.08 | |
| Score | 66/100 | 84/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | X4 Server (520 MH/s) | BK-B | |
|---|---|---|---|
| Blake (14r) | not supported | 160 GH/s260 W · 615.4 MH/s/W | |
| Blake (2b) | not supported | 80 GH/s300 W · 266.7 MH/s/W | |
| Etchash | 520 MH/s240 W · 2.167 MH/s/W | not supported | |
| Ethash | 520 MH/s240 W · 2.167 MH/s/W | not supported | |
| LBRY | not supported | 40 GH/s400 W · 100 MH/s/W | |
| Pascal | not supported | 40 GH/s210 W · 190.5 MH/s/W |