X4 Server (520 MH/s) vs STU-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 | 2018-10 | |
| Best opportunity |  QKCNetwork |  SCNetwork | |
| Profit/day | $0.14 | $-0.47 | |
| Score | 61/100 | 41/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | X4 Server (520 MH/s) | STU-U2 | |
|---|---|---|---|
| Blake (2b) | not supported | 7 TH/s1600 W · 4.375 GH/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 |