Antminer S21+ (225Th) vs X2
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3712 W | 980 W | |
| Release | 2025-06 | 2019-06 | |
| Best opportunity |  BTCNetwork | ||
| Profit/day | $2.13 | ||
| Score | 71/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer S21+ (225Th) | X2 | |
|---|---|---|---|
| Blake (2s) | not supported | 1.2 TH/s980 W · 1.224 GH/s/W | |
| Keccak | not supported | 75 GH/s980 W · 76.53 MH/s/W | |
| Myr-Groestl | not supported | 300 GH/s980 W · 306.1 MH/s/W | |
| SHA-256 | 225 TH/s3712 W · 60.61 GH/s/W | not supported |