Option 1
Antminer S9j (14.5TH/s)
Option 2
B8 (49TH/s)
Antminer S9j (14.5TH/s) leads this comparison
Antminer S9j (14.5TH/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 | Antminer S9j (14.5TH/s) | B8 (49TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Bitfury | Contextual |
| Model | S9 | B | Contextual |
| Hashrate | 14.5 TH/s | 49 TH/s Best | B8 (49TH/s) |
| Power Consumption | 1350W Best | 6400W | Antminer S9j (14.5TH/s) |
| Efficiency | 93.10 J/TH Best | 130.61 J/TH | Antminer S9j (14.5TH/s) |
| Daily energy use | 32.4 kWh Best | 153.6 kWh | Antminer S9j (14.5TH/s) |
| Net Daily Profit (Est.) | -$1.48 Best | -$7.63 | Antminer S9j (14.5TH/s) |
| Monthly Profit (Est.) | -$44.52 Best | -$228.78 | Antminer S9j (14.5TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 135 x 350 x 158 mm | 440 x 650 x 270 mm | Contextual |
| Weight | 4200 g Best | 37000 g | Antminer S9j (14.5TH/s) |
Performance
B8 (49TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer S9j (14.5TH/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: Antminer S9j (14.5TH/s) or B8 (49TH/s)?
B8 (49TH/s) has a higher hashrate of 49 TH/s compared to Antminer S9j (14.5TH/s)'s 14.5 TH/s.
Is Antminer S9j (14.5TH/s) more efficient than B8 (49TH/s)?
Yes, Antminer S9j (14.5TH/s) is more energy efficient at 93.10 J/TH.
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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