Innosilicon A4+ LTCMaster vs BW L21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Innosilicon A4+ LTCMaster | Specification | BW L21 |
|---|---|---|
| 620.0 MH/s | Hashrate | 550.0 MH/s |
| 750 W | Power Consumption | 950 W |
| 1,209,677.4 J/TH | Efficiency | 1,727,272.7 J/TH |
| — | Noise Level | — |
| 3,830.0 kg | Weight | 5,750.0 kg |
| 2,559 BTU/hr | BTU Output | 3,241 BTU/hr |
| 30/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Scrypt | Algorithm | Scrypt |
| Innosilicon | Manufacturer | BW |
Profitability Comparison
Innosilicon A4+ LTCMaster
BW L21
Based on BTC price of $69,396 and current network difficulty as of Mar 24, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Innosilicon A4+ LTCMaster wins on 2 of 3 factors (efficiency, power consumption). The BW L21 holds the edge in home mining score. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
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
Innosilicon A4+ LTCMaster1,209,677.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Innosilicon A4+ LTCMaster or BW L21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Innosilicon A4+ LTCMaster is more profitable at $-1.80/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 Innosilicon A4+ LTCMaster or BW L21?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Innosilicon A4+ LTCMaster or BW L21?
The BW L21 scores 31/100 on our Home Mining Score (vs 30/100 for the Innosilicon A4+ LTCMaster). 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 Innosilicon A4+ LTCMaster and BW L21?
The Innosilicon A4+ LTCMaster runs at 1,209,677.4 J/TH while the BW L21 runs at 1,727,272.7 J/TH — a difference of 517,595.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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