Bitmain Antminer KA3 (166Th) vs Antminer KS3
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KA3 (166Th) | Specification | Antminer KS3 |
|---|---|---|
| 166.0 TH/s | Hashrate | 9.4 TH/s |
| 3,154 W | Power Consumption | 3,500 W |
| 19.0 J/TH | Efficiency | 372.3 J/TH |
| — | Noise Level | 75 dB |
| 16,100.0 kg | Weight | 16.1 kg |
| 10,761 BTU/hr | BTU Output | 11,942 BTU/hr |
| 22/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| Blake2s | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer KA3 (166Th)
Antminer KS3
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 KA3 (166Th) offers 95% better efficiency at 19.0 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
Antminer KS3Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer KA3 (166Th)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer KA3 (166Th) or Antminer KS3 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer KA3 (166Th) is more profitable at $-2.22/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 Bitmain Antminer KA3 (166Th) or Antminer KS3?
The Antminer KS3 is quieter at 75 dB compared to the Bitmain Antminer KA3 (166Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer KA3 (166Th) or Antminer KS3?
The Antminer KS3 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer KA3 (166Th)). 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 Bitmain Antminer KA3 (166Th) and Antminer KS3?
The Bitmain Antminer KA3 (166Th) runs at 19.0 J/TH while the Antminer KS3 runs at 372.3 J/TH — a difference of 353.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.