Antminer KS3 vs Bitmain Antminer U2L9H
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer U2L9H |
|---|---|---|
| 9.4 TH/s | Hashrate | 27.0 GH/s |
| 3,500 W | Power Consumption | 5,670 W |
| 372.3 J/TH | Efficiency | 210,000.0 J/TH |
| 75 dB | Noise Level | 50 dB |
| 16.1 kg | Weight | 19.1 kg |
| 11,942 BTU/hr | BTU Output | 19,346 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | Scrypt |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer U2L9H
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 KS3 offers 100% better efficiency at 372.3 J/TH compared to the Bitmain Antminer U2L9H at 210,000.0 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
Bitmain Antminer U2L9HScore: 44/100. 50 dB noise level.
Best for Efficiency
Antminer KS3372.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer KS3 or Bitmain Antminer U2L9H more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer KS3 is more profitable at $-8.10/day compared to $-13.61/day for the Bitmain Antminer U2L9H. 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 U2L9H?
The Bitmain Antminer U2L9H is quieter at 50 dB compared to the Antminer KS3 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer KS3 or Bitmain Antminer U2L9H?
The Bitmain Antminer U2L9H scores 44/100 on our Home Mining Score (vs 36/100 for the Antminer KS3). 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 Antminer KS3 and Bitmain Antminer U2L9H?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer U2L9H runs at 210,000.0 J/TH — a difference of 209,627.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.