Bitmain Antminer S21 Immersion (227Th)
Bitmain Antminer S21 Immersion (227Th) vs NerdQAxe++
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Immersion (227Th) | Specification | NerdQAxe++ |
|---|---|---|
| 227.0 TH/s | Taux de hachage | 4.0 TH/s |
| 3,623 W | Consommation électrique | 120 W |
| 16.0 J/TH | Efficiency | 30.0 J/TH |
| 75 dB | Niveau de bruit | 42 dB |
| 17.2 kg | Weight | 0.5 kg |
| 12,362 BTU/hr | BTU Output | 409 BTU/hr |
| 30/100 | Home Mining Score | 58/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S21 Immersion (227Th)
NerdQAxe++
Based on BTC price of $70,799 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21 Immersion (227Th) l'emporte sur 3 des 6 facteurs (efficacité, hashrate, rapport qualité-prix). Le NerdQAxe++ a l'avantage en consommation électrique and score de minage domestique and niveau sonore. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
NerdQAxe++Score: 58/100. 42 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Immersion (227Th)16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 Immersion (227Th) or NerdQAxe++ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the NerdQAxe++ is more profitable at $-0.17/day compared to $-1.73/day for the Bitmain Antminer S21 Immersion (227Th). 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 (227Th) or NerdQAxe++?
The NerdQAxe++ is quieter at 42 dB compared to the Bitmain Antminer S21 Immersion (227Th) 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 (227Th) or NerdQAxe++?
The NerdQAxe++ scores 58/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer S21 Immersion (227Th)). 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 (227Th) and NerdQAxe++?
The Bitmain Antminer S21 Immersion (227Th) runs at 16.0 J/TH while the NerdQAxe++ runs at 30.0 J/TH — a difference of 14.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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