Antminer KS7 (40TH/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 KS7 (40TH/s)
Option 2
Antminer S9j (14.5TH/s)
Antminer KS7 (40TH/s) leads this comparison
Antminer KS7 (40TH/s) comes out ahead on more buyer-facing signals here. Antminer S9j (14.5TH/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 KS7 (40TH/s) | Antminer S9j (14.5TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Antminer | Contextual |
| Model | KS7 | S9 | Contextual |
| Hashrate | 40 TH/s Best | 14.5 TH/s | Antminer KS7 (40TH/s) |
| Power Consumption | 3080W | 1350W Best | Antminer S9j (14.5TH/s) |
| Efficiency | 77.00 J/TH Best | 93.10 J/TH | Antminer KS7 (40TH/s) |
| Daily energy use | 73.9 kWh | 32.4 kWh Best | Antminer S9j (14.5TH/s) |
| Net Daily Profit (Est.) | $2.86 Best | -$1.45 | Antminer KS7 (40TH/s) |
| Monthly Profit (Est.) | $85.94 Best | -$43.62 | Antminer KS7 (40TH/s) |
| Price | $1,627.20 | N/A | Contextual |
| Estimated ROI | 19 mo | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 430 x 290 x 196 mm | 135 x 350 x 158 mm | Contextual |
| Weight | 17000 g | 4200 g Best | Antminer S9j (14.5TH/s) |
Performance
Antminer KS7 (40TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer KS7 (40TH/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 KS7 (40TH/s) or Antminer S9j (14.5TH/s)?
Antminer KS7 (40TH/s) has a higher hashrate of 40 TH/s compared to Antminer S9j (14.5TH/s)'s 14.5 TH/s.
Is Antminer KS7 (40TH/s) more efficient than Antminer S9j (14.5TH/s)?
Yes, Antminer KS7 (40TH/s) is more energy efficient at 77.00 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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