Bitmain Antminer S19j (90Th) vs Bitmain Antminer S9j (14.5Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19j (90Th) | Specification | Bitmain Antminer S9j (14.5Th) |
|---|---|---|
| 90.0 TH/s | Taux de hachage | 14.5 TH/s |
| 3,250 W | Consommation électrique | 1,350 W |
| 36.1 J/TH | Efficiency | 93.1 J/TH |
| — | Niveau de bruit | — |
| 14,200.0 kg | Weight | 4,200.0 kg |
| 11,089 BTU/hr | BTU Output | 4,606 BTU/hr |
| 22/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S19j (90Th)
Bitmain Antminer S9j (14.5Th)
Based on BTC price of $77,950 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S19j (90Th) comes out ahead — it takes 2 of 5 (efficacité, hashrate). Where it pulls away hardest is 521% more hashrate (90.0 vs 14.5 TH/s). That said, the Bitmain Antminer S9j (14.5Th) isn't beaten everywhere — it still wins consommation électrique and score de minage domestique and rapport qualité-prix. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer S19j (90Th) and Bitmain Antminer S9j (14.5Th) actually differ, with the gap quantified:
- Bitmain Antminer S19j (90Th) 521% more hashrate (90.0 vs 14.5 TH/s)
- Bitmain Antminer S9j (14.5Th) 58% better power draw (3,250 vs 1,350 W)
- Bitmain Antminer S19j (90Th) 61% better efficacité (36.1 vs 93.1 J/TH)
- Bitmain Antminer S9j (14.5Th) 70% better weight (14,200 vs 4,200 kg)
- Bitmain Antminer S19j (90Th) 141% more heat output (11,089 vs 4,606 BTU/hr)
- Bitmain Antminer S9j (14.5Th) 41% more score de minage domestique (22.0 vs 31.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitmain Antminer S19j (90Th) | Metric | Bitmain Antminer S9j (14.5Th) |
|---|---|---|
| $405 | Upfront cost (MSRP) | $65 |
| -$4.57 | Daily net profit | -$2.72 |
| -$2,074 | Net after 1 year | -$1,058 |
| -$3,742 | Net after 2 years | -$2,051 |
| -$5,411 | Net after 3 years | -$3,043 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
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 S19j (90Th)36.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S19j (90Th) vs Bitmain Antminer S9j (14.5Th): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9j (14.5Th) is more profitable at $-2.72/day compared to $-4.57/day for the Bitmain Antminer S19j (90Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S19j (90Th) or the Bitmain Antminer S9j (14.5Th) better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S19j (90Th) or Bitmain Antminer S9j (14.5Th)?
The Bitmain Antminer S9j (14.5Th) scores 31/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19j (90Th)). 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 S19j (90Th) and Bitmain Antminer S9j (14.5Th)?
The Bitmain Antminer S19j (90Th) runs at 36.1 J/TH while the Bitmain Antminer S9j (14.5Th) runs at 93.1 J/TH — a difference of 57.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 61% better efficacité (36.1 vs 93.1 J/TH).