Canaan AvalonMiner 1047 vs Canaan AvalonMiner 821
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan AvalonMiner 1047 | Specification | Canaan AvalonMiner 821 |
|---|---|---|
| 37.0 TH/s | Hashrate | 11.5 TH/s |
| 2,380 W | Power Consumption | 1,200 W |
| 64.3 J/TH | Efficiency | 104.4 J/TH |
| — | Noise Level | — |
| 7,600.0 kg | Weight | 4,700.0 kg |
| 8,121 BTU/hr | BTU Output | 4,094 BTU/hr |
| 26/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | Canaan |
Profitability Comparison
Canaan AvalonMiner 1047
Canaan AvalonMiner 821
Based on BTC price of $77,334 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Canaan AvalonMiner 1047 wins on 2 of 4 factors (efficiency, hashrate). The Canaan AvalonMiner 821 holds the edge in power consumption and home mining score. 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
Canaan AvalonMiner 821Score: 31/100. 0 dB noise level.
Best for Efficiency
Canaan AvalonMiner 104764.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Canaan AvalonMiner 1047 or Canaan AvalonMiner 821 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan AvalonMiner 821 is more profitable at $-2.47/day compared to $-4.39/day for the Canaan AvalonMiner 1047. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Canaan AvalonMiner 1047 or Canaan AvalonMiner 821?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Canaan AvalonMiner 1047 or Canaan AvalonMiner 821?
The Canaan AvalonMiner 821 scores 31/100 on our Home Mining Score (vs 26/100 for the Canaan AvalonMiner 1047). 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 1047 and Canaan AvalonMiner 821?
The Canaan AvalonMiner 1047 runs at 64.3 J/TH while the Canaan AvalonMiner 821 runs at 104.4 J/TH — a difference of 40.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.