Fluminer L1 vs BW L21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Fluminer L1 | Specification | BW L21 |
|---|---|---|
| 5.3 GH/s | Hashrate | 550.0 MH/s |
| 1,200 W | Power Consumption | 950 W |
| 226,415.1 J/TH | Efficiency | 1,727,272.7 J/TH |
| 40 dB | Noise Level | — |
| 10.0 kg | Weight | 5,750.0 kg |
| 4,094 BTU/hr | BTU Output | 3,241 BTU/hr |
| 66/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Scrypt | Algorithm | Scrypt |
| FluMiner | Manufacturer | BW |
Profitability Comparison
Fluminer L1
BW L21
Based on BTC price of $74,178 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Fluminer L1 offers 87% better efficiency at 226,415.1 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 L1Score: 66/100. 40 dB noise level.
Best for Efficiency
Fluminer L1226,415.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Fluminer L1 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 $-2.88/day for the Fluminer L1. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Fluminer L1 or BW L21?
The Fluminer L1 is quieter at 40 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 Fluminer L1 or BW L21?
The Fluminer L1 scores 66/100 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 Fluminer L1 and BW L21?
The Fluminer L1 runs at 226,415.1 J/TH while the BW L21 runs at 1,727,272.7 J/TH — a difference of 1,500,857.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.