Antminer S21 Hydro vs Bitcoin Space Heater S19 Edition
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 Hydro | Specification | Bitcoin Space Heater S19 Edition |
|---|---|---|
| 335.0 TH/s | Taux de hachage | 80.0 TH/s |
| 5,360 W | Consommation électrique | 2,400 W |
| 16.0 J/TH | Efficiency | 30.0 J/TH |
| 50 dB | Niveau de bruit | 55 dB |
| 15.8 kg | Weight | 18.0 kg |
| 18,288 BTU/hr | BTU Output | 8,189 BTU/hr |
| 44/100 | Home Mining Score | 54/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Antminer S21 Hydro
Bitcoin Space Heater S19 Edition
Based on BTC price of $81,052 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer S21 Hydro l'emporte sur 3 des 6 facteurs (efficacité, hashrate, niveau sonore). Le Bitcoin Space Heater S19 Edition a l'avantage en consommation électrique and score de minage domestique and rapport qualité-prix. 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
Antminer S21 Hydro$2.70/day higher profit at current rates.
Best for Home Mining
Bitcoin Space Heater S19 EditionScore: 54/100. 55 dB noise level.
Best for Efficiency
Antminer S21 Hydro16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 Hydro or Bitcoin Space Heater S19 Edition more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 Hydro is more profitable at $0.02/day compared to $-2.68/day for the Bitcoin Space Heater S19 Edition. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S21 Hydro or Bitcoin Space Heater S19 Edition?
The Antminer S21 Hydro is quieter at 50 dB compared to the Bitcoin Space Heater S19 Edition at 55 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S21 Hydro or Bitcoin Space Heater S19 Edition?
The Bitcoin Space Heater S19 Edition scores 54/100 on our Home Mining Score (vs 44/100 for the Antminer S21 Hydro). 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 Antminer S21 Hydro and Bitcoin Space Heater S19 Edition?
The Antminer S21 Hydro runs at 16.0 J/TH while the Bitcoin Space Heater S19 Edition 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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