Bitmain Antminer R4 vs Bitmain Antminer S9j (14.5Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer R4 | Specification | Bitmain Antminer S9j (14.5Th) |
|---|---|---|
| 8.7 TH/s | Taux de hachage | 14.5 TH/s |
| 845 W | Consommation électrique | 1,350 W |
| 97.1 J/TH | Efficiency | 93.1 J/TH |
| — | Niveau de bruit | — |
| 2,500.0 kg | Weight | 4,200.0 kg |
| 2,883 BTU/hr | BTU Output | 4,606 BTU/hr |
| 28/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer R4
Bitmain Antminer S9j (14.5Th)
Based on BTC price of $74,144 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S9j (14.5Th) l'emporte sur 3 des 4 facteurs (efficacité, hashrate, score de minage domestique). Le Bitmain Antminer R4 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
Bitmain Antminer S9j (14.5Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S9j (14.5Th)93.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer R4 or Bitmain Antminer S9j (14.5Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer R4 is more profitable at $-1.75/day compared to $-2.77/day for the Bitmain Antminer S9j (14.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer R4 or Bitmain Antminer S9j (14.5Th)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer R4 or Bitmain Antminer S9j (14.5Th)?
The Bitmain Antminer S9j (14.5Th) scores 31/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer R4). 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 R4 and Bitmain Antminer S9j (14.5Th)?
The Bitmain Antminer R4 runs at 97.1 J/TH while the Bitmain Antminer S9j (14.5Th) runs at 93.1 J/TH — a difference of 4.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.