Bitmain Antminer S21 Immersion (301Th) vs Canaan Avalon A15Pro-215T
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Immersion (301Th) | Specification | Canaan Avalon A15Pro-215T |
|---|---|---|
| 301.0 TH/s | Hashrate | 215.0 TH/s |
| 5,569 W | Power Consumption | 3,612 W |
| 18.5 J/TH | Efficiency | 16.8 J/TH |
| 50 dB | Noise Level | 75 dB |
| 17.2 kg | Weight | 14.9 kg |
| 19,001 BTU/hr | BTU Output | 12,324 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S21 Immersion (301Th)
Canaan Avalon A15Pro-215T
Based on BTC price of $77,334 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Both the Bitmain Antminer S21 Immersion (301Th) and Canaan Avalon A15Pro-215T are closely matched across our scoring factors, with neither holding a decisive advantage. Your choice should depend on your specific priorities — review the specs and profitability analysis above.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitmain Antminer S21 Immersion (301Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Canaan Avalon A15Pro-215T16.8 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 Immersion (301Th) or Canaan Avalon A15Pro-215T more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan Avalon A15Pro-215T is more profitable at $-0.96/day compared to $-2.57/day for the Bitmain Antminer S21 Immersion (301Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21 Immersion (301Th) or Canaan Avalon A15Pro-215T?
The Bitmain Antminer S21 Immersion (301Th) is quieter at 50 dB compared to the Canaan Avalon A15Pro-215T at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S21 Immersion (301Th) or Canaan Avalon A15Pro-215T?
The Bitmain Antminer S21 Immersion (301Th) scores 44/100 on our Home Mining Score (vs 30/100 for the Canaan Avalon A15Pro-215T). 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 Bitmain Antminer S21 Immersion (301Th) and Canaan Avalon A15Pro-215T?
The Bitmain Antminer S21 Immersion (301Th) runs at 18.5 J/TH while the Canaan Avalon A15Pro-215T runs at 16.8 J/TH — a difference of 1.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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