Bitmain Antminer S3 vs Antminer S9i
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S3 | Specification | Antminer S9i |
|---|---|---|
| 478.0 GH/s | Taux de hachage | 14.0 TH/s |
| 366 W | Consommation électrique | 1,320 W |
| 765.7 J/TH | Efficiency | 94.3 J/TH |
| — | Niveau de bruit | 76 dB |
| 5,200.0 kg | Weight | 4.2 kg |
| 1,249 BTU/hr | BTU Output | 4,504 BTU/hr |
| 34/100 | Home Mining Score | 83/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S3
Antminer S9i
Based on BTC price of $66,532 and current network difficulty as of Mar 29, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer S9i l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le Bitmain Antminer S3 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
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer S9iScore: 83/100. 76 dB noise level.
Best for Efficiency
Antminer S9i94.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S3 or Antminer S9i more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S3 is more profitable at $-0.86/day compared to $-2.73/day for the Antminer S9i. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S3 or Antminer S9i?
The Antminer S9i is quieter at 76 dB compared to the Bitmain Antminer S3 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S3 or Antminer S9i?
The Antminer S9i scores 83/100 on our Home Mining Score (vs 34/100 for the Bitmain Antminer S3). 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 S3 and Antminer S9i?
The Bitmain Antminer S3 runs at 765.7 J/TH while the Antminer S9i runs at 94.3 J/TH — a difference of 671.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.