Bitmain Antminer S21+ Hyd (358Th) vs Bitmain Antminer S9 (14Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21+ Hyd (358Th) | Specification | Bitmain Antminer S9 (14Th) |
|---|---|---|
| 358.0 TH/s | Taux de hachage | 14.0 TH/s |
| 5,370 W | Consommation électrique | 1,372 W |
| 15.0 J/TH | Efficiency | 98.0 J/TH |
| 50 dB | Niveau de bruit | — |
| 12.8 kg | Weight | 4,200.0 kg |
| 18,322 BTU/hr | BTU Output | 4,681 BTU/hr |
| 44/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S21+ Hyd (358Th)
Bitmain Antminer S9 (14Th)
Based on BTC price of $69,211 and current network difficulty as of Mar 24, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21+ Hyd (358Th) l'emporte sur 4 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le Bitmain Antminer S9 (14Th) a l'avantage en consommation électrique and rapport qualité-prix. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitmain Antminer S21+ Hyd (358Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21+ Hyd (358Th)15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21+ Hyd (358Th) or Bitmain Antminer S9 (14Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd (358Th) is more profitable at $-2.15/day compared to $-2.87/day for the Bitmain Antminer S9 (14Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21+ Hyd (358Th) or Bitmain Antminer S9 (14Th)?
The Bitmain Antminer S21+ Hyd (358Th) is quieter at 50 dB compared to the Bitmain Antminer S9 (14Th) 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 (358Th) or Bitmain Antminer S9 (14Th)?
The Bitmain Antminer S21+ Hyd (358Th) scores 44/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9 (14Th)). 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 (358Th) and Bitmain Antminer S9 (14Th)?
The Bitmain Antminer S21+ Hyd (358Th) runs at 15.0 J/TH while the Bitmain Antminer S9 (14Th) runs at 98.0 J/TH — a difference of 83.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.