Bitmain Antminer L11 Pro (21Gh) vs Goldshell MINI DOGE III (650Mh)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer L11 Pro (21Gh) | Specification | Goldshell MINI DOGE III (650Mh) |
|---|---|---|
| 21.0 GH/s | Hashrate | 650.0 MH/s |
| 3,612 W | Power Consumption | 400 W |
| 172,000.0 J/TH | Efficiency | 615,384.6 J/TH |
| 75 dB | Noise Level | — |
| — | Weight | 2.3 kg |
| 12,324 BTU/hr | BTU Output | 1,365 BTU/hr |
| 30/100 | Home Mining Score | 34/100 |
| — | Release Year | — |
| Scrypt | Algorithm | Scrypt |
| Bitmain | Manufacturer | Goldshell |
Profitability Comparison
Bitmain Antminer L11 Pro (21Gh)
Goldshell MINI DOGE III (650Mh)
Based on BTC price of $78,165 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer L11 Pro (21Gh) comes out ahead — it takes 3 of 6 (efficiency, hashrate, noise level). Its biggest concrete edge: 3131% more hashrate (0.0 vs 0.0 TH/s). The Goldshell MINI DOGE III (650Mh) holds the edge in power consumption and home mining score and price-performance. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer L11 Pro (21Gh) and Goldshell MINI DOGE III (650Mh) actually differ, with the gap quantified:
- Bitmain Antminer L11 Pro (21Gh) 3131% more hashrate (0.0 vs 0.0 TH/s)
- Goldshell MINI DOGE III (650Mh) 89% better power draw (3,612 vs 400 W)
- Bitmain Antminer L11 Pro (21Gh) 72% better efficiency (172,000 vs 615,385 J/TH)
- Bitmain Antminer L11 Pro (21Gh) 803% more heat output (12,324 vs 1,365 BTU/hr)
- Goldshell MINI DOGE III (650Mh) 13% more home mining score (30.0 vs 34.0)
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 L11 Pro (21Gh) | Metric | Goldshell MINI DOGE III (650Mh) |
|---|---|---|
| $7,999 | Upfront cost (MSRP) | $199 |
| -$8.67 | Daily net profit | -$0.96 |
| -$11,163 | Net after 1 year | -$549 |
| -$14,327 | Net after 2 years | -$900 |
| -$17,491 | Net after 3 years | -$1,250 |
| 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
Goldshell MINI DOGE III (650Mh)Score: 34/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer L11 Pro (21Gh)172,000.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer L11 Pro (21Gh) vs Goldshell MINI DOGE III (650Mh): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Goldshell MINI DOGE III (650Mh) is more profitable at $-0.96/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.
Which is quieter, the Bitmain Antminer L11 Pro (21Gh) or Goldshell MINI DOGE III (650Mh)?
The Bitmain Antminer L11 Pro (21Gh) is quieter at 75 dB compared to the Goldshell MINI DOGE III (650Mh) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer L11 Pro (21Gh) or Goldshell MINI DOGE III (650Mh)?
The Goldshell MINI DOGE III (650Mh) scores 34/100 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 Bitmain Antminer L11 Pro (21Gh) and Goldshell MINI DOGE III (650Mh)?
The Bitmain Antminer L11 Pro (21Gh) runs at 172,000.0 J/TH while the Goldshell MINI DOGE III (650Mh) runs at 615,384.6 J/TH — a difference of 443,384.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 72% better efficiency (172,000 vs 615,385 J/TH).
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