Bitmain Antminer S21 XP Hyd vs Bitmain Antminer S9 Hydro (18Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 XP Hyd | Specification | Bitmain Antminer S9 Hydro (18Th) |
|---|---|---|
| 473.0 TH/s | Taux de hachage | 18.0 TH/s |
| 5,676 W | Consommation électrique | 1,728 W |
| 12.0 J/TH | Efficiency | 96.0 J/TH |
| 50 dB | Niveau de bruit | — |
| 12.3 kg | Weight | 5,150.0 kg |
| 19,367 BTU/hr | BTU Output | 5,896 BTU/hr |
| 44/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S21 XP Hyd
Bitmain Antminer S9 Hydro (18Th)
Based on BTC price of $77,578 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21 XP Hyd l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le Bitmain Antminer S9 Hydro (18Th) a l'avantage en consommation électrique. 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
Bitmain Antminer S21 XP Hyd$6.89/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21 XP HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 XP Hyd12.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 XP Hyd or Bitmain Antminer S9 Hydro (18Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Hyd is more profitable at $3.39/day compared to $-3.50/day for the Bitmain Antminer S9 Hydro (18Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21 XP Hyd or Bitmain Antminer S9 Hydro (18Th)?
The Bitmain Antminer S21 XP Hyd is quieter at 50 dB compared to the Bitmain Antminer S9 Hydro (18Th) 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 XP Hyd or Bitmain Antminer S9 Hydro (18Th)?
The Bitmain Antminer S21 XP Hyd scores 44/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer S9 Hydro (18Th)). 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 XP Hyd and Bitmain Antminer S9 Hydro (18Th)?
The Bitmain Antminer S21 XP Hyd runs at 12.0 J/TH while the Bitmain Antminer S9 Hydro (18Th) runs at 96.0 J/TH — a difference of 84.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.