Antminer S21 Pro vs Canaan AvalonMiner 1066
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 Pro | Specification | Canaan AvalonMiner 1066 |
|---|---|---|
| 234.0 TH/s | Taux de hachage | 50.0 TH/s |
| 3,510 W | Consommation électrique | 3,250 W |
| 15.0 J/TH | Efficiency | 65.0 J/TH |
| 75 dB | Niveau de bruit | — |
| 15.0 kg | Weight | 11,400.0 kg |
| 11,976 BTU/hr | BTU Output | 11,089 BTU/hr |
| 30/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Antminer S21 Pro
Canaan AvalonMiner 1066
Based on BTC price of $77,884 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer S21 Pro l'emporte sur 4 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). The standout gap is 368% more hashrate (234.0 vs 50.0 TH/s) in the Antminer S21 Pro's favour. The Canaan AvalonMiner 1066 holds the edge in consommation électrique and rapport qualité-prix. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Antminer S21 Pro and Canaan AvalonMiner 1066 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer S21 Pro 368% more hashrate (234.0 vs 50.0 TH/s)
- Canaan AvalonMiner 1066 7% better power draw (3,510 vs 3,250 W)
- Antminer S21 Pro 77% better efficacité (15.0 vs 65.0 J/TH)
- Antminer S21 Pro 100% better weight (15.0 vs 11,400.0 kg)
- Antminer S21 Pro 8% more heat output (11,976 vs 11,089 BTU/hr)
- Antminer S21 Pro 36% more score de minage domestique (30.0 vs 22.0)
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.
| Antminer S21 Pro | Metric | Canaan AvalonMiner 1066 |
|---|---|---|
| $6,800 | Upfront cost (MSRP) | $1,255 |
| -$0.04 | Daily net profit | -$6.01 |
| -$6,814 | Net after 1 year | -$3,448 |
| -$6,827 | Net after 2 years | -$5,641 |
| -$6,841 | Net after 3 years | -$7,834 |
| 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
Antminer S21 ProScore: 30/100. 75 dB noise level.
Best for Efficiency
Antminer S21 Pro15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 Pro or Canaan AvalonMiner 1066 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 Pro is more profitable at $-0.04/day compared to $-6.01/day for the Canaan AvalonMiner 1066. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S21 Pro or the Canaan AvalonMiner 1066 better for noise-sensitive spaces?
The Antminer S21 Pro is quieter at 75 dB compared to the Canaan AvalonMiner 1066 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer S21 Pro or the Canaan AvalonMiner 1066?
The Antminer S21 Pro scores 30/100 on our Home Mining Score (vs 22/100 for the Canaan AvalonMiner 1066). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer S21 Pro vs Canaan AvalonMiner 1066: how much does the efficiency gap matter?
The Antminer S21 Pro runs at 15.0 J/TH while the Canaan AvalonMiner 1066 runs at 65.0 J/TH — a difference of 50.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 77% better efficacité (15.0 vs 65.0 J/TH).