Antminer Z15 Pro (840KH/s) vs Antminer S9j (14.5TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer Z15 Pro (840KH/s)
Option 2
Antminer S9j (14.5TH/s)
Antminer S9j (14.5TH/s) leads this comparison
Antminer S9j (14.5TH/s) comes out ahead on more buyer-facing signals here. Antminer Z15 Pro (840KH/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 Z15 Pro (840KH/s) | Antminer S9j (14.5TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Antminer | Contextual |
| Model | Z15 | S9 | Contextual |
| Hashrate | 840 KH/s | 14.5 TH/s Best | Antminer S9j (14.5TH/s) |
| Power Consumption | 2780W | 1350W Best | Antminer S9j (14.5TH/s) |
| Efficiency | 3.31 J/KH Best | 93.10 J/TH | Antminer Z15 Pro (840KH/s) |
| Daily energy use | 66.7 kWh | 32.4 kWh Best | Antminer S9j (14.5TH/s) |
| Net Daily Profit (Est.) | $22.70 Best | -$1.52 | Antminer Z15 Pro (840KH/s) |
| Monthly Profit (Est.) | $680.90 Best | -$45.72 | Antminer Z15 Pro (840KH/s) |
| Price | $6,000.30 | N/A | Contextual |
| Estimated ROI | 8.7 mo | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 245 x 290 x 132 mm | 135 x 350 x 158 mm | Contextual |
| Weight | 18000 g | 4200 g Best | Antminer S9j (14.5TH/s) |
Performance
Antminer S9j (14.5TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer Z15 Pro (840KH/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 Z15 Pro (840KH/s) or Antminer S9j (14.5TH/s)?
Antminer S9j (14.5TH/s) has a higher hashrate of 14.5 TH/s compared to Antminer Z15 Pro (840KH/s)'s 840 KH/s.
Is Antminer Z15 Pro (840KH/s) more efficient than Antminer S9j (14.5TH/s)?
Yes, Antminer Z15 Pro (840KH/s) is more energy efficient at 3.31 J/KH.
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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