Bitmain Antminer S21 Hyd (335Th) vs Antminer S21 Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Hyd (335Th) | Specification | Antminer S21 Hydro |
|---|---|---|
| 335.0 TH/s | Hashrate | 335.0 TH/s |
| 5,360 W | Power Consumption | 5,360 W |
| 16.0 J/TH | Efficiency | 16.0 J/TH |
| — | Noise Level | 50 dB |
| 14.2 kg | Weight | 15.8 kg |
| 18,288 BTU/hr | BTU Output | 18,288 BTU/hr |
| 16/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S21 Hyd (335Th)
Antminer S21 Hydro
Based on BTC price of $66,388 and current network difficulty as of Mar 29, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer S21 Hydro wins on 2 of 3 factors (home mining score, noise level). The Bitmain Antminer S21 Hyd (335Th) holds the edge in price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer S21 HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
TieBoth miners have comparable efficiency.
Frequently Asked Questions
Is the Bitmain Antminer S21 Hyd (335Th) or Antminer S21 Hydro more profitable?
Both the Bitmain Antminer S21 Hyd (335Th) and Antminer S21 Hydro produce similar profits at the default electricity rate. The difference may be more significant at your local rate — use the selector above.
Which is quieter, the Bitmain Antminer S21 Hyd (335Th) or Antminer S21 Hydro?
The Antminer S21 Hydro is quieter at 50 dB compared to the Bitmain Antminer S21 Hyd (335Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S21 Hyd (335Th) or Antminer S21 Hydro?
The Antminer S21 Hydro scores 44/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S21 Hyd (335Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Bitmain Antminer S21 Hyd (335Th) and Antminer S21 Hydro?
The Bitmain Antminer S21 Hyd (335Th) runs at 16.0 J/TH while the Antminer S21 Hydro runs at 16.0 J/TH — a difference of 0.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.