Innosilicon A4 Dominator vs BW L21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Innosilicon A4 Dominator | Specification | BW L21 |
|---|---|---|
| 280.0 MH/s | Taux de hachage | 550.0 MH/s |
| 1,050 W | Consommation électrique | 950 W |
| 3,750,000.0 J/TH | Efficiency | 1,727,272.7 J/TH |
| — | Niveau de bruit | — |
| 9,200.0 kg | Weight | 5,750.0 kg |
| 3,583 BTU/hr | BTU Output | 3,241 BTU/hr |
| 31/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Scrypt | Algorithme | Scrypt |
| Innosilicon | Manufacturer | BW |
Profitability Comparison
Innosilicon A4 Dominator
BW L21
Based on BTC price of $78,200 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le BW L21 l'emporte sur 2 des 2 facteurs (efficacité, consommation électrique). The standout gap is 54% better efficacité (3,750,000 vs 1,727,273 J/TH) in the BW L21's favour. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Innosilicon A4 Dominator and BW L21 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- BW L21 96% more hashrate (0.0 vs 0.0 TH/s)
- BW L21 10% better power draw (1,050 vs 950 W)
- BW L21 54% better efficacité (3,750,000 vs 1,727,273 J/TH)
- BW L21 38% better weight (9,200 vs 5,750 kg)
- Innosilicon A4 Dominator 11% more heat output (3,583 vs 3,241 BTU/hr)
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
BW L211,727,272.7 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Innosilicon A4 Dominator 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 $-2.52/day for the Innosilicon A4 Dominator. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Innosilicon A4 Dominator or BW L21?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the Innosilicon A4 Dominator or the BW L21?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
How far apart are the Innosilicon A4 Dominator and BW L21 on J/TH?
The Innosilicon A4 Dominator runs at 3,750,000.0 J/TH while the BW L21 runs at 1,727,272.7 J/TH — a difference of 2,022,727.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 54% better efficacité (3,750,000 vs 1,727,273 J/TH).
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