Bitmain Antminer S9i (14Th) vs Avalon A1366
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9i (14Th) | Specification | Avalon A1366 |
|---|---|---|
| 14.0 TH/s | Taux de hachage | 130.0 TH/s |
| 1,320 W | Consommation électrique | 3,250 W |
| 94.3 J/TH | Efficiency | 25.0 J/TH |
| — | Niveau de bruit | 75 dB |
| 4,200.0 kg | Weight | 12.6 kg |
| 4,504 BTU/hr | BTU Output | 11,089 BTU/hr |
| 31/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S9i (14Th)
Avalon A1366
Based on BTC price of $76,901 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Avalon A1366 edges it: 4 of 6 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 829% more hashrate (14.0 vs 130.0 TH/s). The Bitmain Antminer S9i (14Th) claws back ground on consommation électrique 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 S9i (14Th) and Avalon A1366 actually differ, with the gap quantified:
- Avalon A1366 829% more hashrate (14.0 vs 130.0 TH/s)
- Bitmain Antminer S9i (14Th) 59% better power draw (1,320 vs 3,250 W)
- Avalon A1366 73% better efficacité (94.3 vs 25.0 J/TH)
- Avalon A1366 100% better weight (4,200.0 vs 12.6 kg)
- Avalon A1366 146% more heat output (4,504 vs 11,089 BTU/hr)
- Avalon A1366 16% more score de minage domestique (31.0 vs 36.0)
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 S9i (14Th) | Metric | Avalon A1366 |
|---|---|---|
| $65 | Upfront cost (MSRP) | $3,500 |
| -$2.67 | Daily net profit | -$3.20 |
| -$1,040 | Net after 1 year | -$4,668 |
| -$2,016 | Net after 2 years | -$5,836 |
| -$2,991 | Net after 3 years | -$7,003 |
| 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
Avalon A1366Score: 36/100. 75 dB noise level.
Best for Efficiency
Avalon A136625.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S9i (14Th) or the Avalon A1366?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9i (14Th) is more profitable at $-2.67/day compared to $-3.20/day for the Avalon A1366. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9i (14Th) vs Avalon A1366: which runs at a lower noise level?
The Avalon A1366 is quieter at 75 dB compared to the Bitmain Antminer S9i (14Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S9i (14Th) or the Avalon A1366?
The Avalon A1366 scores 36/100 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.
Bitmain Antminer S9i (14Th) vs Avalon A1366: how much does the efficiency gap matter?
The Bitmain Antminer S9i (14Th) runs at 94.3 J/TH while the Avalon A1366 runs at 25.0 J/TH — a difference of 69.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 73% better efficacité (94.3 vs 25.0 J/TH).