S19a vs Giant A900
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3450 W | 217 W | |
| Release | 2021-11 | 2016-10 | |
| Best opportunity |  BTCNetwork |  DASHNetwork | |
| Profit/day | $-2.56 | $-0.41 | |
| Score | 55/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | S19a | Giant A900 | |
|---|---|---|---|
| Quark | not supported | 900 MH/s132 W · 6.818 MH/s/W | |
| Qubit | not supported | 900 MH/s146 W · 6.164 MH/s/W | |
| SHA-256 | 100 TH/s3450 W · 28.99 GH/s/W | not supported | |
| X11 | not supported | 900 MH/s217 W · 4.147 MH/s/W | |
| X13 | not supported | 900 MH/s255 W · 3.529 MH/s/W | |
| X14 | not supported | 900 MH/s263 W · 3.422 MH/s/W | |
| X15 | not supported | 900 MH/s270 W · 3.333 MH/s/W | |
| X17 | not supported | 900 MH/s263 W · 3.422 MH/s/W |