Avalon A1466 vs Avalon A1566
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Avalon A1466 | Specification | Avalon A1566 |
|---|---|---|
| 150.0 TH/s | Hashrate | 185.0 TH/s |
| 3,230 W | Power Consumption | 3,420 W |
| 21.5 J/TH | Efficiency | 18.5 J/TH |
| 75 dB | Noise Level | 75 dB |
| 12.8 kg | Weight | 14.9 kg |
| 11,021 BTU/hr | BTU Output | 11,669 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | Canaan |
Profitability Comparison
Avalon A1466
Avalon A1566
Based on BTC price of $74,658 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Two generations of Canaan's Avalon miners. The A1466 was the previous-gen entry, while the A1566 is the current flagship.
The A1566 represents a significant improvement over the A1466 in both hashrate and efficiency. As with any miner upgrade, the A1566 is the clear choice for new purchases.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Avalon A156618.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Should I upgrade from an Avalon A1466 to an A1566?
If profitable mining is your goal, yes. The A1566's efficiency advantage translates to meaningfully lower operating costs. However, also consider switching to the Antminer S21 ecosystem for better long-term support.
How does the Avalon A1566 compare to the Antminer S21?
The S21 generally offers better efficiency and has a much larger ecosystem for parts, repairs, and resale. The A1566 can be competitive if purchased at a meaningful discount.