Antminer T21 vs Bitcoin Space Heater S9 Edition
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer T21 | Specification | Bitcoin Space Heater S9 Edition |
|---|---|---|
| 190.0 TH/s | Taux de hachage | 12.0 TH/s |
| 3,610 W | Consommation électrique | 1,100 W |
| 19.0 J/TH | Efficiency | 91.7 J/TH |
| 75 dB | Niveau de bruit | 50 dB |
| 14.6 kg | Weight | 8.0 kg |
| 12,317 BTU/hr | BTU Output | 3,753 BTU/hr |
| 30/100 | Home Mining Score | 59/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Antminer T21
Bitcoin Space Heater S9 Edition
Based on BTC price of $70,862 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer T21 l'emporte sur 3 des 6 facteurs (efficacité, hashrate, rapport qualité-prix). Le Bitcoin Space Heater S9 Edition 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
Bitcoin Space Heater S9 EditionScore: 59/100. 50 dB noise level.
Best for Efficiency
Antminer T2119.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer T21 or Bitcoin Space Heater S9 Edition more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitcoin Space Heater S9 Edition is more profitable at $-2.27/day compared to $-2.83/day for the Antminer T21. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer T21 or Bitcoin Space Heater S9 Edition?
The Bitcoin Space Heater S9 Edition is quieter at 50 dB compared to the Antminer T21 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer T21 or Bitcoin Space Heater S9 Edition?
The Bitcoin Space Heater S9 Edition scores 59/100 on our Home Mining Score (vs 30/100 for the Antminer T21). 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 T21 and Bitcoin Space Heater S9 Edition?
The Antminer T21 runs at 19.0 J/TH while the Bitcoin Space Heater S9 Edition runs at 91.7 J/TH — a difference of 72.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
Compare Antminer T21 with...
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