Bitmain Antminer L11 Pro (21Gh)
Antminer D9 vs Bitmain Antminer L11 Pro (21Gh)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Bitmain Antminer L11 Pro (21Gh) |
|---|---|---|
| 1,770.0 GH/s | Taux de hachage | 21.0 GH/s |
| 2,839 W | Consommation électrique | 3,612 W |
| 1,604.0 J/TH | Efficiency | 172,000.0 J/TH |
| 75 dB | Niveau de bruit | 75 dB |
| 16.1 kg | Weight | — |
| 9,687 BTU/hr | BTU Output | 12,324 BTU/hr |
| 36/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| X11 | Algorithme | Scrypt |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Bitmain Antminer L11 Pro (21Gh)
Based on BTC price of $78,230 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer D9, which leads on 5 of 5 weighted factors (efficacité, hashrate, consommation électrique, score de minage domestique, rapport qualité-prix). The standout gap is 99% better efficacité (1,604 vs 172,000 J/TH) in the Antminer D9's favour. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Antminer D9 and Bitmain Antminer L11 Pro (21Gh) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer D9 8329% more hashrate (1.8 vs 0.0 TH/s)
- Antminer D9 21% better power draw (2,839 vs 3,612 W)
- Antminer D9 99% better efficacité (1,604 vs 172,000 J/TH)
- Bitmain Antminer L11 Pro (21Gh) 27% more heat output (9,687 vs 12,324 BTU/hr)
- Antminer D9 20% more score de minage domestique (36.0 vs 30.0)
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.
| Antminer D9 | Metric | Bitmain Antminer L11 Pro (21Gh) |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | $7,999 |
| -$6.75 | Daily net profit | -$8.67 |
| -$5,464 | Net after 1 year | -$11,163 |
| -$7,927 | Net after 2 years | -$14,327 |
| -$10,391 | Net after 3 years | -$17,491 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
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
Antminer D9Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer D91,604.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer D9 vs Bitmain Antminer L11 Pro (21Gh): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer D9 is more profitable at $-6.75/day compared to $-8.67/day for the Bitmain Antminer L11 Pro (21Gh). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer D9 vs Bitmain Antminer L11 Pro (21Gh): which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the Antminer D9 or the Bitmain Antminer L11 Pro (21Gh)?
The Antminer D9 scores 36/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer L11 Pro (21Gh)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer D9 vs Bitmain Antminer L11 Pro (21Gh): how much does the efficiency gap matter?
The Antminer D9 runs at 1,604.0 J/TH while the Bitmain Antminer L11 Pro (21Gh) runs at 172,000.0 J/TH — a difference of 170,396.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 99% better efficacité (1,604 vs 172,000 J/TH).