Antminer L3+ vs BW L21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer L3+ | Specification | BW L21 |
|---|---|---|
| 504.0 MH/s | Hashrate | 550.0 MH/s |
| 800 W | Power Consumption | 950 W |
| 1,587,301.6 J/TH | Efficiency | 1,727,272.7 J/TH |
| 75 dB | Noise Level | — |
| 5.5 kg | Weight | 5,750.0 kg |
| 2,730 BTU/hr | BTU Output | 3,241 BTU/hr |
| 82/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Scrypt | Algorithm | Scrypt |
| Bitmain | Manufacturer | BW |
Profitability Comparison
Antminer L3+
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 Antminer L3+ offers 8% better efficiency at 1,587,301.6 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
Antminer L3+Score: 82/100. 75 dB noise level.
Best for Efficiency
Antminer L3+1,587,301.6 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer L3+ or BW L21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer L3+ is more profitable at $-1.92/day compared to $-2.28/day for the BW L21. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer L3+ or BW L21?
The Antminer L3+ 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 Antminer L3+ or BW L21?
The Antminer L3+ scores 82/100 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 Antminer L3+ and BW L21?
The Antminer L3+ runs at 1,587,301.6 J/TH while the BW L21 runs at 1,727,272.7 J/TH — a difference of 139,971.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.