Antminer D9 vs Antminer S9i
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Antminer S9i |
|---|---|---|
| 1,770.0 GH/s | Hashrate | 14.0 TH/s |
| 2,839 W | Power Consumption | 1,320 W |
| 1,604.0 J/TH | Efficiency | 94.3 J/TH |
| 75 dB | Noise Level | 76 dB |
| 16.1 kg | Weight | 4.2 kg |
| 9,687 BTU/hr | BTU Output | 4,504 BTU/hr |
| 36/100 | Home Mining Score | 83/100 |
| — | Release Year | — |
| X11 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Antminer S9i
Based on BTC price of $74,306 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Antminer S9i offers 94% better efficiency at 94.3 J/TH compared to the Antminer D9 at 1,604.0 J/TH. This directly impacts daily operating costs and long-term profitability.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer S9iScore: 83/100. 76 dB noise level.
Best for Efficiency
Antminer S9i94.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D9 or Antminer S9i more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S9i is more profitable at $-2.72/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 S9i?
The Antminer D9 is quieter at 75 dB compared to the Antminer S9i at 76 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer D9 or Antminer S9i?
The Antminer S9i scores 83/100 on our Home Mining Score (vs 36/100 for the Antminer D9). 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 S9i?
The Antminer D9 runs at 1,604.0 J/TH while the Antminer S9i runs at 94.3 J/TH — a difference of 1,509.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.