Antminer K7 vs Bitmain Antminer L11 (20Gh)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Bitmain Antminer L11 (20Gh) |
|---|---|---|
| 63.5 TH/s | Hashrate | 20.0 GH/s |
| 3,080 W | Power Consumption | 3,680 W |
| 48.5 J/TH | Efficiency | 184,000.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 14.0 kg | Weight | — |
| 10,509 BTU/hr | BTU Output | 12,556 BTU/hr |
| 36/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Scrypt |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Bitmain Antminer L11 (20Gh)
Based on BTC price of $78,158 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer K7 comes out ahead — it takes 5 of 5 (efficiency, hashrate, power consumption, home mining score, price-performance). Where it pulls away hardest is 100% better efficiency (48.5 vs 184,000.0 J/TH). 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 Antminer K7 and Bitmain Antminer L11 (20Gh) actually differ, with the gap quantified:
- Antminer K7 317400% more hashrate (63.5 vs 0.0 TH/s)
- Antminer K7 16% better power draw (3,080 vs 3,680 W)
- Antminer K7 100% better efficiency (48.5 vs 184,000.0 J/TH)
- Bitmain Antminer L11 (20Gh) 19% more heat output (10,509 vs 12,556 BTU/hr)
- Antminer K7 20% more home mining score (36.0 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 K7 | Metric | Bitmain Antminer L11 (20Gh) |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | $6,199 |
| -$5.11 | Daily net profit | -$8.83 |
| -$5,364 | Net after 1 year | -$9,422 |
| -$7,229 | Net after 2 years | -$12,646 |
| -$9,093 | Net after 3 years | -$15,869 |
| 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 K7Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer K748.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer K7 or Bitmain Antminer L11 (20Gh) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer K7 is more profitable at $-5.11/day compared to $-8.83/day for the Bitmain Antminer L11 (20Gh). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer K7 or Bitmain Antminer L11 (20Gh)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer K7 or Bitmain Antminer L11 (20Gh)?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer L11 (20Gh)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer K7 vs Bitmain Antminer L11 (20Gh): how much does the efficiency gap matter?
The Antminer K7 runs at 48.5 J/TH while the Bitmain Antminer L11 (20Gh) runs at 184,000.0 J/TH — a difference of 183,951.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficiency (48.5 vs 184,000.0 J/TH).