Avalon A1466 vs MicroBT Whatsminer M21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Avalon A1466 | Specification | MicroBT Whatsminer M21 |
|---|---|---|
| 150.0 TH/s | Hashrate | 31.0 TH/s |
| 3,230 W | Power Consumption | 1,860 W |
| 21.5 J/TH | Efficiency | 60.0 J/TH |
| 75 dB | Noise Level | — |
| 12.8 kg | Weight | 7,150.0 kg |
| 11,021 BTU/hr | BTU Output | 6,346 BTU/hr |
| 36/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | MicroBT |
Profitability Comparison
Avalon A1466
MicroBT Whatsminer M21
Based on BTC price of $66,325 and current network difficulty as of Mar 27, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Avalon A1466 wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The MicroBT Whatsminer M21 holds the edge in power consumption. 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
Avalon A1466Score: 36/100. 75 dB noise level.
Best for Efficiency
Avalon A146621.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Avalon A1466 or MicroBT Whatsminer M21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Avalon A1466 is more profitable at $-3.44/day compared to $-3.57/day for the MicroBT Whatsminer M21. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Avalon A1466 or MicroBT Whatsminer M21?
The Avalon A1466 is quieter at 75 dB compared to the MicroBT Whatsminer M21 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Avalon A1466 or MicroBT Whatsminer M21?
The Avalon A1466 scores 36/100 on our Home Mining Score (vs 28/100 for the MicroBT Whatsminer M21). 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 Avalon A1466 and MicroBT Whatsminer M21?
The Avalon A1466 runs at 21.5 J/TH while the MicroBT Whatsminer M21 runs at 60.0 J/TH — a difference of 38.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.