S19a vs Antminer S21 XP (270Th)
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3450 W | 3645 W | |
| Release | 2021-11 | 2024-10 | |
| Best opportunity |  BTCNetwork | BTCNetwork | |
| Profit/day | $-2.58 | $3.91 | |
| Score | 55/100 | 74/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | S19a | Antminer S21 XP (270Th) | |
|---|---|---|---|
| SHA-256 | 100 TH/s3450 W · 28.99 GH/s/W | 270 TH/s3645 W · 74.07 GH/s/W |