X4 Server (450 MH/s) vs U2
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 240 W | 1600 W | |
| Release | 2021-11 | 2018-09 | |
| Best opportunity |  QKCNetwork |  SCNetwork | |
| Profit/day | $0.24 | $2.17 | |
| Score | 64/100 | 54/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | X4 Server (450 MH/s) | U2 | |
|---|---|---|---|
| Blake (2b) | not supported | 5.5 TH/s1600 W · 3.438 GH/s/W | |
| Etchash | 450 MH/s240 W · 1.875 MH/s/W | not supported | |
| Ethash | 450 MH/s240 W · 1.875 MH/s/W | not supported |