Antminer D9 vs Bitmain Antminer KS5 Pro (21Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Bitmain Antminer KS5 Pro (21Th) |
|---|---|---|
| 1,770.0 GH/s | Hashrate | 21.0 TH/s |
| 2,839 W | Power Consumption | 3,150 W |
| 1,604.0 J/TH | Efficiency | 150.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 16.1 kg | Weight | 15.8 kg |
| 9,687 BTU/hr | BTU Output | 10,748 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| X11 | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Bitmain Antminer KS5 Pro (21Th)
Based on BTC price of $74,306 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Bitmain Antminer KS5 Pro (21Th) offers 91% better efficiency at 150.0 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain Antminer KS5 Pro (21Th)150.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D9 or Bitmain Antminer KS5 Pro (21Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer D9 is more profitable at $-6.76/day compared to $-6.88/day for the Bitmain Antminer KS5 Pro (21Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer D9 or Bitmain Antminer KS5 Pro (21Th)?
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 Bitmain Antminer KS5 Pro (21Th)?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Antminer D9 and Bitmain Antminer KS5 Pro (21Th)?
The Antminer D9 runs at 1,604.0 J/TH while the Bitmain Antminer KS5 Pro (21Th) runs at 150.0 J/TH — a difference of 1,454.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.