Bitmain Antminer L7 (9.16Gh) vs BW L21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer L7 (9.16Gh) | Specification | BW L21 |
|---|---|---|
| 9.2 GH/s | Taux de hachage | 550.0 MH/s |
| 3,425 W | Consommation électrique | 950 W |
| 373,908.3 J/TH | Efficiency | 1,727,272.7 J/TH |
| — | Niveau de bruit | — |
| 15,000.0 kg | Weight | 5,750.0 kg |
| 11,686 BTU/hr | BTU Output | 3,241 BTU/hr |
| 22/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Scrypt | Algorithme | Scrypt |
| Bitmain | Manufacturer | BW |
Profitability Comparison
Bitmain Antminer L7 (9.16Gh)
BW L21
Based on BTC price of $78,200 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer L7 (9.16Gh) comes out ahead — it takes 2 of 4 (efficacité, hashrate). Its biggest concrete edge: 1565% more hashrate (0.0 vs 0.0 TH/s). The BW L21 holds the edge in consommation électrique and score de minage domestique. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Bitmain Antminer L7 (9.16Gh) and BW L21 actually differ, with the gap quantified:
- Bitmain Antminer L7 (9.16Gh) 1565% more hashrate (0.0 vs 0.0 TH/s)
- BW L21 72% better power draw (3,425 vs 950 W)
- Bitmain Antminer L7 (9.16Gh) 78% better efficacité (373,908 vs 1,727,273 J/TH)
- BW L21 62% better weight (15,000 vs 5,750 kg)
- Bitmain Antminer L7 (9.16Gh) 261% more heat output (11,686 vs 3,241 BTU/hr)
- BW L21 41% more score de minage domestique (22.0 vs 31.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitmain Antminer L7 (9.16Gh) | Metric | BW L21 |
|---|---|---|
| $1,599 | Upfront cost (MSRP) | — |
| -$8.22 | Daily net profit | -$2.28 |
| -$4,599 | Net after 1 year | -$832 |
| -$7,599 | Net after 2 years | -$1,664 |
| -$10,600 | Net after 3 years | -$2,497 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
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
Bitmain Antminer L7 (9.16Gh)373,908.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer L7 (9.16Gh) vs BW L21: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the BW L21 is more profitable at $-2.28/day compared to $-8.22/day for the Bitmain Antminer L7 (9.16Gh). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer L7 (9.16Gh) 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 Bitmain Antminer L7 (9.16Gh) or the BW L21?
The BW L21 scores 31/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer L7 (9.16Gh)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer L7 (9.16Gh) vs BW L21: how much does the efficiency gap matter?
The Bitmain Antminer L7 (9.16Gh) runs at 373,908.3 J/TH while the BW L21 runs at 1,727,272.7 J/TH — a difference of 1,353,364.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 78% better efficacité (373,908 vs 1,727,273 J/TH).