Bitmain Antminer T9 (11.5Th) vs Canaan Avalon A1566I
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer T9 (11.5Th) | Specification | Canaan Avalon A1566I |
|---|---|---|
| 11.5 TH/s | Hashrate | 249.0 TH/s |
| 1,450 W | Power Consumption | 4,500 W |
| 126.1 J/TH | Efficiency | 18.1 J/TH |
| — | Noise Level | 50 dB |
| 3,800.0 kg | Weight | 11.3 kg |
| 4,947 BTU/hr | BTU Output | 15,354 BTU/hr |
| 31/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer T9 (11.5Th)
Canaan Avalon A1566I
Based on BTC price of $79,126 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Canaan Avalon A1566I comes out ahead — it takes 5 of 6 (efficiency, hashrate, home mining score, noise level, price-performance). Its biggest concrete edge: 2065% more hashrate (11.5 vs 249.0 TH/s). The Bitmain Antminer T9 (11.5Th) holds the edge in power consumption. 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 T9 (11.5Th) and Canaan Avalon A1566I actually differ, with the gap quantified:
- Canaan Avalon A1566I 2065% more hashrate (11.5 vs 249.0 TH/s)
- Bitmain Antminer T9 (11.5Th) 68% better power draw (1,450 vs 4,500 W)
- Canaan Avalon A1566I 86% better efficiency (126.1 vs 18.1 J/TH)
- Canaan Avalon A1566I 100% better weight (3,800.0 vs 11.3 kg)
- Canaan Avalon A1566I 210% more heat output (4,947 vs 15,354 BTU/hr)
- Canaan Avalon A1566I 42% more home mining score (31.0 vs 44.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitmain Antminer T9 (11.5Th) | Metric | Canaan Avalon A1566I |
|---|---|---|
| $955 | Upfront cost (MSRP) | $2,710 |
| -$3.06 | Daily net profit | -$1.73 |
| -$2,072 | Net after 1 year | -$3,343 |
| -$3,190 | Net after 2 years | -$3,975 |
| -$4,307 | Net after 3 years | -$4,608 |
| 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
Is the Bitmain Antminer T9 (11.5Th) or Canaan Avalon A1566I more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan Avalon A1566I is more profitable at $-1.73/day compared to $-3.06/day for the Bitmain Antminer T9 (11.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer T9 (11.5Th) 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 T9 (11.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer T9 (11.5Th) or Canaan Avalon A1566I?
The Canaan Avalon A1566I scores 44/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer T9 (11.5Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer T9 (11.5Th) and Canaan Avalon A1566I on J/TH?
The Bitmain Antminer T9 (11.5Th) runs at 126.1 J/TH while the Canaan Avalon A1566I runs at 18.1 J/TH — a difference of 108.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 86% better efficiency (126.1 vs 18.1 J/TH).