Antminer S9i vs Bitmain Antminer S9i (14Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S9i | Specification | Bitmain Antminer S9i (14Th) |
|---|---|---|
| 14.0 TH/s | Taux de hachage | 14.0 TH/s |
| 1,320 W | Consommation électrique | 1,320 W |
| 94.3 J/TH | Efficiency | 94.3 J/TH |
| 76 dB | Niveau de bruit | — |
| 4.2 kg | Weight | 4,200.0 kg |
| 4,504 BTU/hr | BTU Output | 4,504 BTU/hr |
| 83/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S9i
Bitmain Antminer S9i (14Th)
Based on BTC price of $78,175 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Antminer S9i edges it: 2 of 2 factors go its way (score de minage domestique, niveau sonore). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer S9i and Bitmain Antminer S9i (14Th) sit on each measurable spec:
- Antminer S9i 100% better weight (4.2 vs 4,200.0 kg)
- Antminer S9i 168% more score de minage domestique (83.0 vs 31.0)
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 S9i | Metric | Bitmain Antminer S9i (14Th) |
|---|---|---|
| — | Upfront cost (MSRP) | $65 |
| -$2.66 | Daily net profit | -$2.66 |
| -$972 | Net after 1 year | -$1,037 |
| -$1,945 | Net after 2 years | -$2,010 |
| -$2,917 | Net after 3 years | -$2,982 |
| — | 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
Antminer S9iScore: 83/100. 76 dB noise level.
Best for Efficiency
TieBoth miners have comparable efficiency.
Frequently Asked Questions
Which makes more money, the Antminer S9i or the Bitmain Antminer S9i (14Th)?
Both the Antminer S9i and Bitmain Antminer S9i (14Th) produce similar profits at the default electricity rate. The difference may be more significant at your local rate — use the selector above.
Which is quieter, the Antminer S9i or Bitmain Antminer S9i (14Th)?
The Antminer S9i is quieter at 76 dB compared to the Bitmain Antminer S9i (14Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer S9i vs Bitmain Antminer S9i (14Th): which fits a residential setup better?
The Antminer S9i scores 83/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9i (14Th)). 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 S9i and Bitmain Antminer S9i (14Th)?
The Antminer S9i runs at 94.3 J/TH while the Bitmain Antminer S9i (14Th) runs at 94.3 J/TH — a difference of 0.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.