Canaan AvalonMiner 1066 vs MicroBT Whatsminer M21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan AvalonMiner 1066 | Specification | MicroBT Whatsminer M21 |
|---|---|---|
| 50.0 TH/s | Hashrate | 31.0 TH/s |
| 3,250 W | Power Consumption | 1,860 W |
| 65.0 J/TH | Efficiency | 60.0 J/TH |
| — | Noise Level | — |
| 11,400.0 kg | Weight | 7,150.0 kg |
| 11,089 BTU/hr | BTU Output | 6,346 BTU/hr |
| 22/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | MicroBT |
Profitability Comparison
Canaan AvalonMiner 1066
MicroBT Whatsminer M21
Based on BTC price of $66,240 and current network difficulty as of Mar 29, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the MicroBT Whatsminer M21 wins on 3 of 4 factors (efficiency, power consumption, home mining score). The Canaan AvalonMiner 1066 holds the edge in hashrate. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
MicroBT Whatsminer M21Score: 28/100. 0 dB noise level.
Best for Efficiency
MicroBT Whatsminer M2160.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Canaan AvalonMiner 1066 or MicroBT Whatsminer M21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M21 is more profitable at $-3.50/day compared to $-6.24/day for the Canaan AvalonMiner 1066. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Canaan AvalonMiner 1066 or MicroBT Whatsminer M21?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Canaan AvalonMiner 1066 or MicroBT Whatsminer M21?
The MicroBT Whatsminer M21 scores 28/100 on our Home Mining Score (vs 22/100 for the Canaan AvalonMiner 1066). 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 Canaan AvalonMiner 1066 and MicroBT Whatsminer M21?
The Canaan AvalonMiner 1066 runs at 65.0 J/TH while the MicroBT Whatsminer M21 runs at 60.0 J/TH — a difference of 5.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.