Bitmain Antminer S11 (20.5Th) vs GMO miner B2
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S11 (20.5Th) | Specification | GMO miner B2 |
|---|---|---|
| 20.5 TH/s | Hashrate | 24.0 TH/s |
| 1,530 W | Power Consumption | 1,950 W |
| 74.6 J/TH | Efficiency | 81.3 J/TH |
| — | Noise Level | — |
| 6,500.0 kg | Weight | — |
| 5,220 BTU/hr | BTU Output | 6,653 BTU/hr |
| 28/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | GMO miner |
Profitability Comparison
Bitmain Antminer S11 (20.5Th)
GMO miner B2
Based on BTC price of $77,378 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S11 (20.5Th) wins on 2 of 3 factors (efficiency, power consumption). The GMO miner B2 holds the edge in hashrate. 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 S11 (20.5Th)74.6 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S11 (20.5Th) or GMO miner B2 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S11 (20.5Th) is more profitable at $-2.94/day compared to $-3.82/day for the GMO miner B2. 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 GMO miner B2?
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 GMO miner B2?
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 GMO miner B2?
The Bitmain Antminer S11 (20.5Th) runs at 74.6 J/TH while the GMO miner B2 runs at 81.3 J/TH — a difference of 6.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.