Antminer S9j vs Bitmain Antminer V9 (4Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S9j | Specification | Bitmain Antminer V9 (4Th) |
|---|---|---|
| 14.5 TH/s | Taux de hachage | 4.0 TH/s |
| 1,350 W | Consommation électrique | 1,027 W |
| 93.1 J/TH | Efficiency | 256.8 J/TH |
| 76 dB | Niveau de bruit | — |
| 4.2 kg | Weight | 3,050.0 kg |
| 4,606 BTU/hr | BTU Output | 3,504 BTU/hr |
| 83/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S9j
Bitmain Antminer V9 (4Th)
Based on BTC price of $78,179 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer S9j comes out ahead — it takes 4 of 5 (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 263% more hashrate (14.5 vs 4.0 TH/s). That said, the Bitmain Antminer V9 (4Th) isn't beaten everywhere — it still wins consommation électrique. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer S9j and Bitmain Antminer V9 (4Th) sit on each measurable spec:
- Antminer S9j 263% more hashrate (14.5 vs 4.0 TH/s)
- Bitmain Antminer V9 (4Th) 24% better power draw (1,350 vs 1,027 W)
- Antminer S9j 64% better efficacité (93.1 vs 256.8 J/TH)
- Antminer S9j 100% better weight (4.2 vs 3,050.0 kg)
- Antminer S9j 31% more heat output (4,606 vs 3,504 BTU/hr)
- Antminer S9j 168% more score de minage domestique (83.0 vs 31.0)
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer S9jScore: 83/100. 76 dB noise level.
Best for Efficiency
Antminer S9j93.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer S9j vs Bitmain Antminer V9 (4Th): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer V9 (4Th) is more profitable at $-2.32/day compared to $-2.72/day for the Antminer S9j. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S9j or the Bitmain Antminer V9 (4Th) better for noise-sensitive spaces?
The Antminer S9j is quieter at 76 dB compared to the Bitmain Antminer V9 (4Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S9j or Bitmain Antminer V9 (4Th)?
The Antminer S9j scores 83/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer V9 (4Th)). 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 S9j and Bitmain Antminer V9 (4Th)?
The Antminer S9j runs at 93.1 J/TH while the Bitmain Antminer V9 (4Th) runs at 256.8 J/TH — a difference of 163.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 64% better efficacité (93.1 vs 256.8 J/TH).