Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.


Option 1

Option 2

Gamma Duo 650 (1.63TH/s) comes out ahead on more buyer-facing signals here. Decred D18 (340GH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.
Profit estimates use currently available product data and a hosted electricity rate of $0.060/kWh.
Side-by-side mining, operating, and commercial specs.
| Feature | Decred D18 (340GH/s) | Gamma Duo 650 (1.63TH/s) | Advantage |
|---|---|---|---|
| Brand | FFMiner | Bitaxe | Contextual |
| Model | Decred | Gamma | Contextual |
| Hashrate | 340 GH/s | 1.63 TH/s Best | Gamma Duo 650 (1.63TH/s) |
| Power Consumption | 180W | 26W Best | Gamma Duo 650 (1.63TH/s) |
| Efficiency | 0.53 J/GH Best | 15.95 J/TH | Decred D18 (340GH/s) |
| Daily energy use | 4.3 kWh | 0.6 kWh Best | Gamma Duo 650 (1.63TH/s) |
| Net Daily Profit (Est.) | $2.97 Best | $0.01 | Decred D18 (340GH/s) |
| Monthly Profit (Est.) | $89.12 Best | $0.38 | Decred D18 (340GH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 90 x 225 x 85 mm | 10 x 5 x 12 mm | Contextual |
| Weight | 1650 g | 340 g Best | Gamma Duo 650 (1.63TH/s) |
Gamma Duo 650 (1.63TH/s) has the hashrate edge for raw output potential.
Decred D18 (340GH/s) is stronger when comparing joules per hash unit.
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
Gamma Duo 650 (1.63TH/s) has a higher hashrate of 1.63 TH/s compared to Decred D18 (340GH/s)'s 340 GH/s.
Yes, Decred D18 (340GH/s) is more energy efficient at 0.53 J/GH.
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
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