Bitmain Antminer S21 Immersion (301Th)
Bitmain Antminer S21 Immersion (301Th) vs Canaan AvalonMiner 741
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Immersion (301Th) | Specification | Canaan AvalonMiner 741 |
|---|---|---|
| 301.0 TH/s | Taux de hachage | 7.3 TH/s |
| 5,569 W | Consommation électrique | 1,150 W |
| 18.5 J/TH | Efficiency | 157.5 J/TH |
| 50 dB | Niveau de bruit | — |
| 17.2 kg | Weight | 4.3 kg |
| 19,001 BTU/hr | BTU Output | 3,924 BTU/hr |
| 44/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S21 Immersion (301Th)
Canaan AvalonMiner 741
Based on BTC price of $73,540 and current network difficulty as of May 30, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21 Immersion (301Th) l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). The standout gap is 4023% more hashrate (301.0 vs 7.3 TH/s) in the Bitmain Antminer S21 Immersion (301Th)'s favour. The Canaan AvalonMiner 741 holds the edge in consommation électrique. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S21 Immersion (301Th) and Canaan AvalonMiner 741 sit on each measurable spec:
- Bitmain Antminer S21 Immersion (301Th) 4023% more hashrate (301.0 vs 7.3 TH/s)
- Canaan AvalonMiner 741 79% better power draw (5,569 vs 1,150 W)
- Bitmain Antminer S21 Immersion (301Th) 88% better efficacité (18.5 vs 157.5 J/TH)
- Canaan AvalonMiner 741 75% better weight (17.2 vs 4.3 kg)
- Bitmain Antminer S21 Immersion (301Th) 384% more heat output (19,001 vs 3,924 BTU/hr)
- Bitmain Antminer S21 Immersion (301Th) 42% more score de minage domestique (44.0 vs 31.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitmain Antminer S21 Immersion (301Th) | Metric | Canaan AvalonMiner 741 |
|---|---|---|
| $3,333 | Upfront cost (MSRP) | — |
| -$3.35 | Daily net profit | -$2.52 |
| -$4,556 | Net after 1 year | -$919 |
| -$5,779 | Net after 2 years | -$1,838 |
| -$7,002 | Net after 3 years | -$2,756 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Bitmain Antminer S21 Immersion (301Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Immersion (301Th)18.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S21 Immersion (301Th) vs Canaan AvalonMiner 741: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan AvalonMiner 741 is more profitable at $-2.52/day compared to $-3.35/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.
Bitmain Antminer S21 Immersion (301Th) vs Canaan AvalonMiner 741: which runs at a lower noise level?
The Bitmain Antminer S21 Immersion (301Th) is quieter at 50 dB compared to the Canaan AvalonMiner 741 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S21 Immersion (301Th) or the Canaan AvalonMiner 741?
The Bitmain Antminer S21 Immersion (301Th) scores 44/100 on our Home Mining Score (vs 31/100 for the Canaan AvalonMiner 741). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer S21 Immersion (301Th) and Canaan AvalonMiner 741 on J/TH?
The Bitmain Antminer S21 Immersion (301Th) runs at 18.5 J/TH while the Canaan AvalonMiner 741 runs at 157.5 J/TH — a difference of 139.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 88% better efficacité (18.5 vs 157.5 J/TH).
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