Bitmain Antminer S9 (12.5Th) vs StealthMiner
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (12.5Th) | Specification | StealthMiner |
|---|---|---|
| 12.5 TH/s | Taux de hachage | 800.0 GH/s |
| 1,225 W | Consommation électrique | 18 W |
| 98.0 J/TH | Efficiency | 22.5 J/TH |
| — | Niveau de bruit | 28 dB |
| 4,200.0 kg | Weight | 1.5 kg |
| 4,180 BTU/hr | BTU Output | 61 BTU/hr |
| 31/100 | Home Mining Score | 70/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S9 (12.5Th)
StealthMiner
Based on BTC price of $68,767 and current network difficulty as of Mar 26, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le StealthMiner l'emporte sur 4 des 6 facteurs (efficacité, consommation électrique, score de minage domestique, niveau sonore). Le Bitmain Antminer S9 (12.5Th) a l'avantage en hashrate 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
StealthMinerScore: 70/100. 28 dB noise level.
Best for Efficiency
StealthMiner22.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9 (12.5Th) or StealthMiner more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the StealthMiner is more profitable at $-0.02/day compared to $-2.57/day for the Bitmain Antminer S9 (12.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S9 (12.5Th) or StealthMiner?
The StealthMiner is quieter at 28 dB compared to the Bitmain Antminer S9 (12.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S9 (12.5Th) or StealthMiner?
The StealthMiner scores 70/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9 (12.5Th)). 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 S9 (12.5Th) and StealthMiner?
The Bitmain Antminer S9 (12.5Th) runs at 98.0 J/TH while the StealthMiner runs at 22.5 J/TH — a difference of 75.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.