Antminer S21 Hydro vs Antminer Slim Edition (S9)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 Hydro | Specification | Antminer Slim Edition (S9) |
|---|---|---|
| 335.0 TH/s | Taux de hachage | 12.0 TH/s |
| 5,360 W | Consommation électrique | 1,100 W |
| 16.0 J/TH | Efficiency | 91.7 J/TH |
| 50 dB | Niveau de bruit | 65 dB |
| 15.8 kg | Weight | 3.5 kg |
| 18,288 BTU/hr | BTU Output | 3,753 BTU/hr |
| 44/100 | Home Mining Score | 52/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Antminer S21 Hydro
Antminer Slim Edition (S9)
Based on BTC price of $66,546 and current network difficulty as of Mar 29, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer S21 Hydro l'emporte sur 4 des 6 facteurs (efficacité, hashrate, niveau sonore, rapport qualité-prix). Le Antminer Slim Edition (S9) a l'avantage en consommation électrique and score de minage domestique. 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
Antminer Slim Edition (S9)Score: 52/100. 65 dB noise level.
Best for Efficiency
Antminer S21 Hydro16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 Hydro or Antminer Slim Edition (S9) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer Slim Edition (S9) is more profitable at $-2.26/day compared to $-2.39/day for the Antminer S21 Hydro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S21 Hydro or Antminer Slim Edition (S9)?
The Antminer S21 Hydro is quieter at 50 dB compared to the Antminer Slim Edition (S9) at 65 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S21 Hydro or Antminer Slim Edition (S9)?
The Antminer Slim Edition (S9) scores 52/100 on our Home Mining Score (vs 44/100 for the Antminer S21 Hydro). 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 Antminer S21 Hydro and Antminer Slim Edition (S9)?
The Antminer S21 Hydro runs at 16.0 J/TH while the Antminer Slim Edition (S9) runs at 91.7 J/TH — a difference of 75.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.