Option 1
B8 (49TH/s)
Option 2
A4 Dominator (280MH/s)
A4 Dominator (280MH/s) leads this comparison
A4 Dominator (280MH/s) comes out ahead on more buyer-facing signals here. B8 (49TH/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.
Technical comparison
Side-by-side mining, operating, and commercial specs.
| Feature | B8 (49TH/s) | A4 Dominator (280MH/s) | Advantage |
|---|---|---|---|
| Brand | Bitfury | Innosilicon | Contextual |
| Model | B | A4 | Contextual |
| Hashrate | 49 TH/s Best | 280 MH/s | B8 (49TH/s) |
| Power Consumption | 6400W | 1050W Best | A4 Dominator (280MH/s) |
| Efficiency | 130.61 J/TH | 3.75 J/MH Best | A4 Dominator (280MH/s) |
| Daily energy use | 153.6 kWh | 25.2 kWh Best | A4 Dominator (280MH/s) |
| Net Daily Profit (Est.) | -$7.63 | -$1.40 Best | A4 Dominator (280MH/s) |
| Monthly Profit (Est.) | -$228.78 | -$42.06 Best | A4 Dominator (280MH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 440 x 650 x 270 mm | 260 x 280 x 130 mm | Contextual |
| Weight | 37000 g | 9200 g Best | A4 Dominator (280MH/s) |
Performance
B8 (49TH/s) has the hashrate edge for raw output potential.
Efficiency
A4 Dominator (280MH/s) is stronger when comparing joules per hash unit.
Buying decision
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
Frequently asked questions
Which is more powerful: B8 (49TH/s) or A4 Dominator (280MH/s)?
B8 (49TH/s) has a higher hashrate of 49 TH/s compared to A4 Dominator (280MH/s)'s 280 MH/s.
Is B8 (49TH/s) more efficient than A4 Dominator (280MH/s)?
A4 Dominator (280MH/s) is more energy efficient at 3.75 J/MH.
Which miner has the better estimated ROI?
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
Every Day You Wait is Revenue You Lose
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