Option 1

Option 2

DragonMint B29 (2.1TH/s) comes out ahead on more buyer-facing signals here. A40 (3.3TH/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 | DragonMint B29 (2.1TH/s) | A40 (3.3TH/s) | Advantage |
|---|---|---|---|
| Brand | Halong Mining | Miner | Contextual |
| Model | B29 | A40 | Contextual |
| Hashrate | 2.1 TH/s | 3.3 TH/s Best | A40 (3.3TH/s) |
| Power Consumption | 900W Best | 1600W | DragonMint B29 (2.1TH/s) |
| Efficiency | 428.57 J/TH Best | 484.85 J/TH | DragonMint B29 (2.1TH/s) |
| Daily energy use | 21.6 kWh Best | 38.4 kWh | DragonMint B29 (2.1TH/s) |
| Net Daily Profit (Est.) | $17.55 Best | -$1.73 | DragonMint B29 (2.1TH/s) |
| Monthly Profit (Est.) | $526.62 Best | -$52.02 | DragonMint B29 (2.1TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 310 x 155 x 124 mm | 360 x 290 x 185 mm | Contextual |
| Weight | 6000 g Best | 14500 g | DragonMint B29 (2.1TH/s) |
A40 (3.3TH/s) has the hashrate edge for raw output potential.
DragonMint B29 (2.1TH/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.
A40 (3.3TH/s) has a higher hashrate of 3.3 TH/s compared to DragonMint B29 (2.1TH/s)'s 2.1 TH/s.
Yes, DragonMint B29 (2.1TH/s) is more energy efficient at 428.57 J/TH.
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
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