Antminer D9 vs Antminer S9j
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Antminer S9j |
|---|---|---|
| 1,770.0 GH/s | Taux de hachage | 14.5 TH/s |
| 2,839 W | Consommation électrique | 1,350 W |
| 1,604.0 J/TH | Efficiency | 93.1 J/TH |
| 75 dB | Niveau de bruit | 76 dB |
| 16.1 kg | Weight | 4.2 kg |
| 9,687 BTU/hr | BTU Output | 4,606 BTU/hr |
| 36/100 | Home Mining Score | 83/100 |
| — | Release Year | — |
| X11 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Antminer S9j
Based on BTC price of $78,175 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer S9j comes out ahead — it takes 4 of 5 (efficacité, hashrate, consommation électrique, score de minage domestique). Where it pulls away hardest is 94% better efficacité (1,604.0 vs 93.1 J/TH). The Antminer D9 holds the edge in niveau sonore. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Antminer D9 and Antminer S9j actually differ, with the gap quantified:
- Antminer S9j 719% more hashrate (1.8 vs 14.5 TH/s)
- Antminer S9j 52% better power draw (2,839 vs 1,350 W)
- Antminer S9j 94% better efficacité (1,604.0 vs 93.1 J/TH)
- Antminer D9 1% better noise (75.0 vs 76.0 dB)
- Antminer S9j 74% better weight (16.1 vs 4.2 kg)
- Antminer D9 110% more heat output (9,687 vs 4,606 BTU/hr)
- Antminer S9j 131% more score de minage domestique (36.0 vs 83.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Antminer D9 | Metric | Antminer S9j |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | — |
| -$6.75 | Daily net profit | -$2.72 |
| -$5,464 | Net after 1 year | -$992 |
| -$7,927 | Net after 2 years | -$1,984 |
| -$10,391 | Net after 3 years | -$2,977 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
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 D9 vs Antminer S9j: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S9j is more profitable at $-2.72/day compared to $-6.75/day for the Antminer D9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer D9 or Antminer S9j?
The Antminer D9 is quieter at 75 dB compared to the Antminer S9j at 76 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer D9 vs Antminer S9j: which fits a residential setup better?
The Antminer S9j scores 83/100 on our Home Mining Score (vs 36/100 for the Antminer D9). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer D9 vs Antminer S9j: how much does the efficiency gap matter?
The Antminer D9 runs at 1,604.0 J/TH while the Antminer S9j runs at 93.1 J/TH — a difference of 1,510.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 94% better efficacité (1,604.0 vs 93.1 J/TH).