Avalon A1446 vs Canaan AvalonMiner 821
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Avalon A1446 | Specification | Canaan AvalonMiner 821 |
|---|---|---|
| 135.0 TH/s | Hashrate | 11.5 TH/s |
| 3,310 W | Power Consumption | 1,200 W |
| 24.5 J/TH | Efficiency | 104.4 J/TH |
| 75 dB | Noise Level | — |
| 12.8 kg | Weight | 4,700.0 kg |
| 11,294 BTU/hr | BTU Output | 4,094 BTU/hr |
| 36/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | Canaan |
Profitability Comparison
Avalon A1446
Canaan AvalonMiner 821
Based on BTC price of $78,004 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Avalon A1446, which leads on 5 of 6 weighted factors (efficiency, hashrate, home mining score, noise level, price-performance). Its biggest concrete edge: 1074% more hashrate (135.0 vs 11.5 TH/s). That said, the Canaan AvalonMiner 821 isn't beaten everywhere — it still wins power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Avalon A1446 and Canaan AvalonMiner 821 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Avalon A1446 1074% more hashrate (135.0 vs 11.5 TH/s)
- Canaan AvalonMiner 821 64% better power draw (3,310 vs 1,200 W)
- Avalon A1446 77% better efficiency (24.5 vs 104.4 J/TH)
- Avalon A1446 100% better weight (12.8 vs 4,700.0 kg)
- Avalon A1446 176% more heat output (11,294 vs 4,094 BTU/hr)
- Avalon A1446 16% more home mining score (36.0 vs 31.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Avalon A1446 | Metric | Canaan AvalonMiner 821 |
|---|---|---|
| $3,200 | Upfront cost (MSRP) | $699 |
| -$3.10 | Daily net profit | -$2.47 |
| -$4,331 | Net after 1 year | -$1,600 |
| -$5,462 | Net after 2 years | -$2,500 |
| -$6,592 | Net after 3 years | -$3,401 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
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
Avalon A1446Score: 36/100. 75 dB noise level.
Best for Efficiency
Avalon A144624.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Avalon A1446 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 $-3.10/day for the Avalon A1446. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Avalon A1446 or the Canaan AvalonMiner 821 better for noise-sensitive spaces?
The Avalon A1446 is quieter at 75 dB compared to the Canaan AvalonMiner 821 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Avalon A1446 vs Canaan AvalonMiner 821: which fits a residential setup better?
The Avalon A1446 scores 36/100 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.
How far apart are the Avalon A1446 and Canaan AvalonMiner 821 on J/TH?
The Avalon A1446 runs at 24.5 J/TH while the Canaan AvalonMiner 821 runs at 104.4 J/TH — a difference of 79.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 77% better efficiency (24.5 vs 104.4 J/TH).