Antminer E9 Pro vs Bitmain Antminer L11 Pro (21Gh)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer E9 Pro | Specification | Bitmain Antminer L11 Pro (21Gh) |
|---|---|---|
| 3,680.0 MH/s | Hashrate | 21.0 GH/s |
| 2,200 W | Power Consumption | 3,612 W |
| 597,826.1 J/TH | Efficiency | 172,000.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 14.2 kg | Weight | — |
| 7,506 BTU/hr | BTU Output | 12,324 BTU/hr |
| 40/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| EtHash | Algorithm | Scrypt |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer E9 Pro
Bitmain Antminer L11 Pro (21Gh)
Based on BTC price of $78,158 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer L11 Pro (21Gh) edges it: 3 of 5 factors go its way (efficiency, hashrate, price-performance). Its biggest concrete edge: 471% more hashrate (0.0 vs 0.0 TH/s). The Antminer E9 Pro claws back ground on power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Antminer E9 Pro and Bitmain Antminer L11 Pro (21Gh) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer L11 Pro (21Gh) 471% more hashrate (0.0 vs 0.0 TH/s)
- Antminer E9 Pro 39% better power draw (2,200 vs 3,612 W)
- Bitmain Antminer L11 Pro (21Gh) 71% better efficiency (597,826 vs 172,000 J/TH)
- Bitmain Antminer L11 Pro (21Gh) 64% more heat output (7,506 vs 12,324 BTU/hr)
- Antminer E9 Pro 33% more home mining score (40.0 vs 30.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Antminer E9 Pro | Metric | Bitmain Antminer L11 Pro (21Gh) |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | $7,999 |
| -$5.28 | Daily net profit | -$8.67 |
| -$4,927 | Net after 1 year | -$11,163 |
| -$6,854 | Net after 2 years | -$14,327 |
| -$8,781 | 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 E9 ProScore: 40/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer L11 Pro (21Gh)172,000.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer E9 Pro 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 E9 Pro is more profitable at $-5.28/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.
Is the Antminer E9 Pro or the Bitmain Antminer L11 Pro (21Gh) better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Antminer E9 Pro vs Bitmain Antminer L11 Pro (21Gh): which fits a residential setup better?
The Antminer E9 Pro scores 40/100 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.
What is the efficiency difference between Antminer E9 Pro and Bitmain Antminer L11 Pro (21Gh)?
The Antminer E9 Pro runs at 597,826.1 J/TH while the Bitmain Antminer L11 Pro (21Gh) runs at 172,000.0 J/TH — a difference of 425,826.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 71% better efficiency (597,826 vs 172,000 J/TH).