Antminer S3 (478GH/s) vs Antminer Z15 (420KH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer S3 (478GH/s)
Option 2
Antminer Z15 (420KH/s)
Antminer S3 (478GH/s) leads this comparison
Antminer S3 (478GH/s) comes out ahead on more buyer-facing signals here. Antminer Z15 (420KH/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 S3 (478GH/s) | Antminer Z15 (420KH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Antminer | Contextual |
| Model | S3 | Z15 | Contextual |
| Hashrate | 478 GH/s Best | 420 KH/s | Antminer S3 (478GH/s) |
| Power Consumption | 366W Best | 1510W | Antminer S3 (478GH/s) |
| Efficiency | 0.77 J/GH Best | 3.60 J/KH | Antminer S3 (478GH/s) |
| Daily energy use | 8.8 kWh Best | 36.2 kWh | Antminer S3 (478GH/s) |
| Net Daily Profit (Est.) | -$0.51 | $13.09 Best | Antminer Z15 (420KH/s) |
| Monthly Profit (Est.) | -$15.21 | $392.57 Best | Antminer Z15 (420KH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 137 x 331 x 160 mm | 133 x 290 x 245 mm | Contextual |
| Weight | 17000 g | 9000 g Best | Antminer Z15 (420KH/s) |
Performance
Antminer S3 (478GH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer S3 (478GH/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 S3 (478GH/s) or Antminer Z15 (420KH/s)?
Antminer S3 (478GH/s) has a higher hashrate of 478 GH/s compared to Antminer Z15 (420KH/s)'s 420 KH/s.
Is Antminer S3 (478GH/s) more efficient than Antminer Z15 (420KH/s)?
Yes, Antminer S3 (478GH/s) is more energy efficient at 0.77 J/GH.
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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