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 $78,209 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer L3+ wins on 4 of 4 factors (efficiency, power consumption, home mining score, noise level). Where it pulls away hardest is 16% better power draw (800 vs 950 W). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer L3+ and BW L21 sit on each measurable spec:
- BW L21 9% more hashrate (0.0 vs 0.0 TH/s)
- Antminer L3+ 16% better power draw (800 vs 950 W)
- Antminer L3+ 8% better efficiency (1,587,302 vs 1,727,273 J/TH)
- Antminer L3+ 100% better weight (5.5 vs 5,750.0 kg)
- BW L21 19% more heat output (2,730 vs 3,241 BTU/hr)
- Antminer L3+ 165% more home mining score (82.0 vs 31.0)
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
Which makes more money, the Antminer L3+ or the BW L21?
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.
How far apart are the Antminer L3+ and BW L21 on J/TH?
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. In relative terms that is 8% better efficiency (1,587,302 vs 1,727,273 J/TH).