Antminer D9 vs Antminer S21 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Antminer S21 Pro |
|---|---|---|
| 1,770.0 GH/s | Taux de hachage | 234.0 TH/s |
| 2,839 W | Consommation électrique | 3,510 W |
| 1,604.0 J/TH | Efficiency | 15.0 J/TH |
| 75 dB | Niveau de bruit | 75 dB |
| 16.1 kg | Weight | 15.0 kg |
| 9,687 BTU/hr | BTU Output | 11,976 BTU/hr |
| 36/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| X11 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Antminer S21 Pro
Based on BTC price of $74,363 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer S21 Pro l'emporte sur 3 des 5 facteurs (efficacité, hashrate, rapport qualité-prix). Le Antminer D9 a l'avantage en consommation électrique and score de minage domestique. 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
Antminer D9Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer S21 Pro15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D9 or Antminer S21 Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 Pro is more profitable at $-0.88/day compared to $-6.76/day for the Antminer D9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer D9 or Antminer S21 Pro?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer D9 or Antminer S21 Pro?
The Antminer D9 scores 36/100 on our Home Mining Score (vs 30/100 for the Antminer S21 Pro). 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 D9 and Antminer S21 Pro?
The Antminer D9 runs at 1,604.0 J/TH while the Antminer S21 Pro runs at 15.0 J/TH — a difference of 1,589.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.