Bitmain Antminer S11 (20.5Th) vs Bitmain Antminer S15 (28Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S11 (20.5Th) | Specification | Bitmain Antminer S15 (28Th) |
|---|---|---|
| 20.5 TH/s | Hashrate | 28.0 TH/s |
| 1,530 W | Power Consumption | 1,596 W |
| 74.6 J/TH | Efficiency | 57.0 J/TH |
| — | Noise Level | — |
| 6,500.0 kg | Weight | 7,000.0 kg |
| 5,220 BTU/hr | BTU Output | 5,446 BTU/hr |
| 28/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S11 (20.5Th)
Bitmain Antminer S15 (28Th)
Based on BTC price of $70,734 and current network difficulty as of Mar 24, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S15 (28Th) wins on 2 of 3 factors (efficiency, hashrate). The Bitmain Antminer S11 (20.5Th) holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
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 S15 (28Th)57.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S11 (20.5Th) or Bitmain Antminer S15 (28Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S15 (28Th) is more profitable at $-2.97/day compared to $-3.04/day for the Bitmain Antminer S11 (20.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S11 (20.5Th) or Bitmain Antminer S15 (28Th)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S11 (20.5Th) or Bitmain Antminer S15 (28Th)?
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 Bitmain Antminer S11 (20.5Th) and Bitmain Antminer S15 (28Th)?
The Bitmain Antminer S11 (20.5Th) runs at 74.6 J/TH while the Bitmain Antminer S15 (28Th) runs at 57.0 J/TH — a difference of 17.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.