Bitmain Antminer L11 (20Gh) vs BW L21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer L11 (20Gh) | Specification | BW L21 |
|---|---|---|
| 20.0 GH/s | Hashrate | 550.0 MH/s |
| 3,680 W | Power Consumption | 950 W |
| 184,000.0 J/TH | Efficiency | 1,727,272.7 J/TH |
| 75 dB | Noise Level | — |
| — | Weight | 5,750.0 kg |
| 12,556 BTU/hr | BTU Output | 3,241 BTU/hr |
| 30/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Scrypt | Algorithm | Scrypt |
| Bitmain | Manufacturer | BW |
Profitability Comparison
Bitmain Antminer L11 (20Gh)
BW L21
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 L11 (20Gh) offers 89% better efficiency at 184,000.0 J/TH compared to the BW L21 at 1,727,272.7 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
BW L21Score: 31/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer L11 (20Gh)184,000.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer L11 (20Gh) or BW L21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the BW L21 is more profitable at $-2.28/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.
Which is quieter, the Bitmain Antminer L11 (20Gh) or BW L21?
The Bitmain Antminer L11 (20Gh) is quieter at 75 dB compared to the BW L21 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer L11 (20Gh) or BW L21?
The BW L21 scores 31/100 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.
What is the efficiency difference between Bitmain Antminer L11 (20Gh) and BW L21?
The Bitmain Antminer L11 (20Gh) runs at 184,000.0 J/TH while the BW L21 runs at 1,727,272.7 J/TH — a difference of 1,543,272.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.