Antminer KS3 vs Bitmain Antminer Z15 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer Z15 Pro |
|---|---|---|
| 9.4 TH/s | Hashrate | 840.0 Ksol/s |
| 3,500 W | Power Consumption | 2,780 W |
| 372.3 J/TH | Efficiency | 3.3 J/TH |
| 75 dB | Noise Level | — |
| 16.1 kg | Weight | 17.0 kg |
| 11,942 BTU/hr | BTU Output | 9,485 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | Equihash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer Z15 Pro
Based on BTC price of $74,658 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer Z15 Pro wins on 4 of 6 factors (efficiency, hashrate, power consumption, price-performance). The Antminer KS3 holds the edge in home mining score and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
Bitmain Antminer Z15 Pro$28.60/day higher profit at current rates.
Best for Home Mining
Antminer KS3Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer Z15 Pro3.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer KS3 or Bitmain Antminer Z15 Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer Z15 Pro is more profitable at $20.51/day compared to $-8.10/day for the Antminer KS3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer KS3 or Bitmain Antminer Z15 Pro?
The Antminer KS3 is quieter at 75 dB compared to the Bitmain Antminer Z15 Pro at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer KS3 or Bitmain Antminer Z15 Pro?
The Antminer KS3 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer Z15 Pro). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Antminer KS3 and Bitmain Antminer Z15 Pro?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer Z15 Pro runs at 3.3 J/TH — a difference of 369.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.