Goldshell Mini Doge II vs Goldshell MINI DOGE III (650Mh)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Goldshell Mini Doge II | Specification | Goldshell MINI DOGE III (650Mh) |
|---|---|---|
| 420.0 MH/s | Hashrate | 650.0 MH/s |
| 400 W | Power Consumption | 400 W |
| 952,381.0 J/TH | Efficiency | 615,384.6 J/TH |
| 35 dB | Noise Level | — |
| 2.3 kg | Weight | 2.3 kg |
| 1,365 BTU/hr | BTU Output | 1,365 BTU/hr |
| 69/100 | Home Mining Score | 34/100 |
| — | Release Year | — |
| Scrypt | Algorithm | Scrypt |
| Goldshell | Manufacturer | Goldshell |
Profitability Comparison
Goldshell Mini Doge II
Goldshell MINI DOGE III (650Mh)
Based on BTC price of $78,209 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Goldshell MINI DOGE III (650Mh) edges it: 2 of 4 factors go its way (efficiency, price-performance). Where it pulls away hardest is 55% more hashrate (0.0 vs 0.0 TH/s). The Goldshell Mini Doge II holds the edge in home mining score and noise level. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Goldshell Mini Doge II and Goldshell MINI DOGE III (650Mh) actually differ, with the gap quantified:
- Goldshell MINI DOGE III (650Mh) 55% more hashrate (0.0 vs 0.0 TH/s)
- Goldshell MINI DOGE III (650Mh) 35% better efficiency (952,381 vs 615,385 J/TH)
- Goldshell Mini Doge II 103% more home mining score (69.0 vs 34.0)
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.
| Goldshell Mini Doge II | Metric | Goldshell MINI DOGE III (650Mh) |
|---|---|---|
| $258 | Upfront cost (MSRP) | $199 |
| -$0.96 | Daily net profit | -$0.96 |
| -$608 | Net after 1 year | -$549 |
| -$959 | Net after 2 years | -$900 |
| -$1,309 | 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 IIScore: 69/100. 35 dB noise level.
Best for Efficiency
Goldshell MINI DOGE III (650Mh)615,384.6 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Goldshell Mini Doge II or Goldshell MINI DOGE III (650Mh) more profitable?
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 $-0.96/day for the Goldshell Mini Doge II. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Goldshell Mini Doge II or Goldshell MINI DOGE III (650Mh)?
The Goldshell Mini Doge II is quieter at 35 dB compared to the Goldshell MINI DOGE III (650Mh) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Goldshell Mini Doge II vs Goldshell MINI DOGE III (650Mh): which fits a residential setup better?
The Goldshell Mini Doge II scores 69/100 on our Home Mining Score (vs 34/100 for the Goldshell MINI DOGE III (650Mh)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Goldshell Mini Doge II vs Goldshell MINI DOGE III (650Mh): how much does the efficiency gap matter?
The Goldshell Mini Doge II runs at 952,381.0 J/TH while the Goldshell MINI DOGE III (650Mh) runs at 615,384.6 J/TH — a difference of 336,996.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 35% better efficiency (952,381 vs 615,385 J/TH).
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