Bitmain Antminer S9i (14Th) vs Canaan Avalon A1566I
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9i (14Th) | Specification | Canaan Avalon A1566I |
|---|---|---|
| 14.0 TH/s | Taux de hachage | 249.0 TH/s |
| 1,320 W | Consommation électrique | 4,500 W |
| 94.3 J/TH | Efficiency | 18.1 J/TH |
| — | Niveau de bruit | 50 dB |
| 4,200.0 kg | Weight | 11.3 kg |
| 4,504 BTU/hr | BTU Output | 15,354 BTU/hr |
| 31/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S9i (14Th)
Canaan Avalon A1566I
Based on BTC price of $78,163 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Canaan Avalon A1566I, which leads on 4 of 6 weighted factors (efficacité, hashrate, score de minage domestique, niveau sonore). Its biggest concrete edge: 1679% more hashrate (14.0 vs 249.0 TH/s). The Bitmain Antminer S9i (14Th) claws back ground on consommation électrique and rapport qualité-prix. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer S9i (14Th) and Canaan Avalon A1566I diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Canaan Avalon A1566I 1679% more hashrate (14.0 vs 249.0 TH/s)
- Bitmain Antminer S9i (14Th) 71% better power draw (1,320 vs 4,500 W)
- Canaan Avalon A1566I 81% better efficacité (94.3 vs 18.1 J/TH)
- Canaan Avalon A1566I 100% better weight (4,200.0 vs 11.3 kg)
- Canaan Avalon A1566I 241% more heat output (4,504 vs 15,354 BTU/hr)
- Canaan Avalon A1566I 42% more score de minage domestique (31.0 vs 44.0)
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 | Canaan Avalon A1566I |
|---|---|---|
| $65 | Upfront cost (MSRP) | $2,710 |
| -$2.66 | Daily net profit | -$1.84 |
| -$1,038 | Net after 1 year | -$3,383 |
| -$2,010 | Net after 2 years | -$4,056 |
| -$2,983 | Net after 3 years | -$4,729 |
| 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
Canaan Avalon A1566IScore: 44/100. 50 dB noise level.
Best for Efficiency
Canaan Avalon A1566I18.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S9i (14Th) vs Canaan Avalon A1566I: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan Avalon A1566I is more profitable at $-1.84/day compared to $-2.66/day for the Bitmain Antminer S9i (14Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9i (14Th) vs Canaan Avalon A1566I: which runs at a lower noise level?
The Canaan Avalon A1566I is quieter at 50 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 Canaan Avalon A1566I?
The Canaan Avalon A1566I scores 44/100 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 Bitmain Antminer S9i (14Th) and Canaan Avalon A1566I?
The Bitmain Antminer S9i (14Th) runs at 94.3 J/TH while the Canaan Avalon A1566I runs at 18.1 J/TH — a difference of 76.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 81% better efficacité (94.3 vs 18.1 J/TH).