Canaan AvalonMiner 821 vs NerdQAxe++
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan AvalonMiner 821 | Specification | NerdQAxe++ |
|---|---|---|
| 11.5 TH/s | Taux de hachage | 4.0 TH/s |
| 1,200 W | Consommation électrique | 120 W |
| 104.4 J/TH | Efficiency | 30.0 J/TH |
| — | Niveau de bruit | 42 dB |
| 4,700.0 kg | Weight | 0.5 kg |
| 4,094 BTU/hr | BTU Output | 409 BTU/hr |
| 31/100 | Home Mining Score | 58/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Canaan | Manufacturer | D-Central |
Profitability Comparison
Canaan AvalonMiner 821
NerdQAxe++
Based on BTC price of $77,559 and current network difficulty as of Apr 24, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le NerdQAxe++ l'emporte sur 4 des 6 facteurs (efficacité, consommation électrique, score de minage domestique, niveau sonore). Le Canaan AvalonMiner 821 a l'avantage en hashrate and rapport qualité-prix. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
NerdQAxe++Score: 58/100. 42 dB noise level.
Best for Efficiency
NerdQAxe++30.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Canaan AvalonMiner 821 or NerdQAxe++ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the NerdQAxe++ is more profitable at $-0.14/day compared to $-2.47/day for the Canaan AvalonMiner 821. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Canaan AvalonMiner 821 or NerdQAxe++?
The NerdQAxe++ is quieter at 42 dB compared to the Canaan AvalonMiner 821 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Canaan AvalonMiner 821 or NerdQAxe++?
The NerdQAxe++ scores 58/100 on our Home Mining Score (vs 31/100 for the Canaan AvalonMiner 821). 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 821 and NerdQAxe++?
The Canaan AvalonMiner 821 runs at 104.4 J/TH while the NerdQAxe++ runs at 30.0 J/TH — a difference of 74.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.