BW L21 vs FluMiner L3
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| BW L21 | Specification | FluMiner L3 |
|---|---|---|
| 550.0 MH/s | Hashrate | 9.5 GH/s |
| 950 W | Power Consumption | 1,700 W |
| 1,727,272.7 J/TH | Efficiency | 178,947.4 J/TH |
| — | Noise Level | 50 dB |
| 5,750.0 kg | Weight | 12.8 kg |
| 3,241 BTU/hr | BTU Output | 5,800 BTU/hr |
| 31/100 | Home Mining Score | 56/100 |
| — | Release Year | — |
| Scrypt | Algorithm | Scrypt |
| BW | Manufacturer | FluMiner |
Profitability Comparison
BW L21
FluMiner L3
Based on BTC price of $74,032 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the FluMiner L3 offers 90% better efficiency at 178,947.4 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
FluMiner L3Score: 56/100. 50 dB noise level.
Best for Efficiency
FluMiner L3178,947.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the BW L21 or FluMiner L3 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 $-4.08/day for the FluMiner L3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the BW L21 or FluMiner L3?
The FluMiner L3 is quieter at 50 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 BW L21 or FluMiner L3?
The FluMiner L3 scores 56/100 on our Home Mining Score (vs 31/100 for the BW L21). 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 BW L21 and FluMiner L3?
The BW L21 runs at 1,727,272.7 J/TH while the FluMiner L3 runs at 178,947.4 J/TH — a difference of 1,548,325.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.