Antminer KS3 vs Bitmain Antminer KS5 (20Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer KS5 (20Th) |
|---|---|---|
| 9.4 TH/s | Hashrate | 20.0 TH/s |
| 3,500 W | Power Consumption | 3,000 W |
| 372.3 J/TH | Efficiency | 150.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 16.1 kg | Weight | 15.8 kg |
| 11,942 BTU/hr | BTU Output | 10,236 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer KS5 (20Th)
Based on BTC price of $73,977 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Bitmain Antminer KS5 (20Th) offers 60% better efficiency at 150.0 J/TH compared to the Antminer KS3 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
Bitmain Antminer KS5 (20Th)150.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer KS3 or Bitmain Antminer KS5 (20Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer KS5 (20Th) is more profitable at $-6.56/day compared to $-8.10/day for the Antminer KS3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer KS3 or Bitmain Antminer KS5 (20Th)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer KS3 or Bitmain Antminer KS5 (20Th)?
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 KS3 and Bitmain Antminer KS5 (20Th)?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer KS5 (20Th) runs at 150.0 J/TH — a difference of 222.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.