Antminer KS3 vs Bitmain Antminer L11 (20Gh)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer L11 (20Gh) |
|---|---|---|
| 9.4 TH/s | Hashrate | 20.0 GH/s |
| 3,500 W | Power Consumption | 3,680 W |
| 372.3 J/TH | Efficiency | 184,000.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 16.1 kg | Weight | — |
| 11,942 BTU/hr | BTU Output | 12,556 BTU/hr |
| 36/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | Scrypt |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer L11 (20Gh)
Based on BTC price of $78,158 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Antminer KS3 edges it: 5 of 5 factors go its way (efficiency, hashrate, power consumption, home mining score, price-performance). Its biggest concrete edge: 100% better efficiency (372 vs 184,000 J/TH). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Antminer KS3 and Bitmain Antminer L11 (20Gh) actually differ, with the gap quantified:
- Antminer KS3 46900% more hashrate (9.4 vs 0.0 TH/s)
- Antminer KS3 5% better power draw (3,500 vs 3,680 W)
- Antminer KS3 100% better efficiency (372 vs 184,000 J/TH)
- Bitmain Antminer L11 (20Gh) 5% more heat output (11,942 vs 12,556 BTU/hr)
- Antminer KS3 20% more home mining score (36.0 vs 30.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Antminer KS3 | Metric | Bitmain Antminer L11 (20Gh) |
|---|---|---|
| $8,000 | Upfront cost (MSRP) | $6,199 |
| -$8.06 | Daily net profit | -$8.83 |
| -$10,943 | Net after 1 year | -$9,422 |
| -$13,885 | Net after 2 years | -$12,646 |
| -$16,828 | Net after 3 years | -$15,869 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
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
Antminer KS3372.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer KS3 vs Bitmain Antminer L11 (20Gh): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer KS3 is more profitable at $-8.06/day compared to $-8.83/day for the Bitmain Antminer L11 (20Gh). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer KS3 vs Bitmain Antminer L11 (20Gh): which runs at a lower noise level?
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 L11 (20Gh)?
The Antminer KS3 scores 36/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer L11 (20Gh)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer KS3 vs Bitmain Antminer L11 (20Gh): how much does the efficiency gap matter?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer L11 (20Gh) runs at 184,000.0 J/TH — a difference of 183,627.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficiency (372 vs 184,000 J/TH).