Canaan Avalon Mini 3 vs MicroBT Whatsminer M21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan Avalon Mini 3 | Specification | MicroBT Whatsminer M21 |
|---|---|---|
| 37.5 TH/s | Taux de hachage | 31.0 TH/s |
| 800 W | Consommation électrique | 1,860 W |
| 21.3 J/TH | Efficiency | 60.0 J/TH |
| 33 dB | Niveau de bruit | — |
| 8.4 kg | Weight | 7,150.0 kg |
| 2,730 BTU/hr | BTU Output | 6,346 BTU/hr |
| 65/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Canaan | Manufacturer | MicroBT |
Profitability Comparison
Canaan Avalon Mini 3
MicroBT Whatsminer M21
Based on BTC price of $78,168 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Canaan Avalon Mini 3 l'emporte sur 5 des 5 facteurs (efficacité, hashrate, consommation électrique, score de minage domestique, niveau sonore). Where it pulls away hardest is 64% better efficacité (21.3 vs 60.0 J/TH). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Canaan Avalon Mini 3 and MicroBT Whatsminer M21 sit on each measurable spec:
- Canaan Avalon Mini 3 21% more hashrate (37.5 vs 31.0 TH/s)
- Canaan Avalon Mini 3 57% better power draw (800 vs 1,860 W)
- Canaan Avalon Mini 3 64% better efficacité (21.3 vs 60.0 J/TH)
- Canaan Avalon Mini 3 100% better weight (8.4 vs 7,150.0 kg)
- MicroBT Whatsminer M21 132% more heat output (2,730 vs 6,346 BTU/hr)
- Canaan Avalon Mini 3 132% more score de minage domestique (65.0 vs 28.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Canaan Avalon Mini 3 | Metric | MicroBT Whatsminer M21 |
|---|---|---|
| $710 | Upfront cost (MSRP) | — |
| -$0.57 | Daily net profit | -$3.35 |
| -$918 | Net after 1 year | -$1,222 |
| -$1,127 | Net after 2 years | -$2,445 |
| -$1,335 | Net after 3 years | -$3,667 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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 Mini 3Score: 65/100. 33 dB noise level.
Best for Efficiency
Canaan Avalon Mini 321.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Canaan Avalon Mini 3 or MicroBT Whatsminer M21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan Avalon Mini 3 is more profitable at $-0.57/day compared to $-3.35/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 Canaan Avalon Mini 3 or MicroBT Whatsminer M21?
The Canaan Avalon Mini 3 is quieter at 33 dB compared to the MicroBT Whatsminer M21 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Canaan Avalon Mini 3 vs MicroBT Whatsminer M21: which fits a residential setup better?
The Canaan Avalon Mini 3 scores 65/100 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 Canaan Avalon Mini 3 and MicroBT Whatsminer M21?
The Canaan Avalon Mini 3 runs at 21.3 J/TH while the MicroBT Whatsminer M21 runs at 60.0 J/TH — a difference of 38.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 64% better efficacité (21.3 vs 60.0 J/TH).