Antminer KS3 vs Antminer KS5 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Antminer KS5 Pro |
|---|---|---|
| 9.4 TH/s | Hashrate | 21.0 TH/s |
| 3,500 W | Power Consumption | 3,150 W |
| 372.3 J/TH | Efficiency | 150.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 16.1 kg | Weight | 14.5 kg |
| 11,942 BTU/hr | BTU Output | 10,748 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Antminer KS5 Pro
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 KS5 Pro 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
Antminer KS5 Pro150.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer KS3 or Antminer KS5 Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer KS5 Pro is more profitable at $-6.88/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 Antminer KS5 Pro?
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 Antminer KS5 Pro?
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 Antminer KS5 Pro?
The Antminer KS3 runs at 372.3 J/TH while the Antminer KS5 Pro 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.