Bitmain Antminer KS3 (9.4Th) vs Thewindminer K9
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KS3 (9.4Th) | Specification | Thewindminer K9 |
|---|---|---|
| 9.4 TH/s | Hashrate | 10.3 TH/s |
| 3,500 W | Power Consumption | 3,300 W |
| 372.3 J/TH | Efficiency | 320.4 J/TH |
| — | Noise Level | — |
| 17.7 kg | Weight | 14.8 kg |
| 11,942 BTU/hr | BTU Output | 11,260 BTU/hr |
| 22/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Thewindminer |
Profitability Comparison
Bitmain Antminer KS3 (9.4Th)
Thewindminer K9
Based on BTC price of $74,306 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Thewindminer K9 offers 14% better efficiency at 320.4 J/TH compared to the Bitmain Antminer KS3 (9.4Th) at 372.3 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
Thewindminer K9320.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer KS3 (9.4Th) or Thewindminer K9 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Thewindminer K9 is more profitable at $-7.59/day compared to $-8.10/day for the Bitmain Antminer KS3 (9.4Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer KS3 (9.4Th) or Thewindminer K9?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer KS3 (9.4Th) or Thewindminer K9?
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 Bitmain Antminer KS3 (9.4Th) and Thewindminer K9?
The Bitmain Antminer KS3 (9.4Th) runs at 372.3 J/TH while the Thewindminer K9 runs at 320.4 J/TH — a difference of 52.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.