Antminer S19 (95Th) vs S19a
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3250 W | 3450 W | |
| Release | 2020-05 | 2021-11 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $-2.27 | $-2.45 | |
| Score | 56/100 | 56/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S19 (95Th) | S19a | |
|---|---|---|---|
| SHA-256 | 95 TH/s3250 W · 29.23 GH/s/W | 100 TH/s3450 W · 28.99 GH/s/W |