Antminer KS3 vs Antminer S19 Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Antminer S19 Hydro |
|---|---|---|
| 9.4 TH/s | Hashrate | 158.0 TH/s |
| 3,500 W | Power Consumption | 5,451 W |
| 372.3 J/TH | Efficiency | 34.5 J/TH |
| 75 dB | Noise Level | 50 dB |
| 16.1 kg | Weight | 15.2 kg |
| 11,942 BTU/hr | BTU Output | 18,599 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Antminer S19 Hydro
Based on BTC price of $70,197 and current network difficulty as of Mar 24, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer S19 Hydro wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). The Antminer KS3 holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer S19 HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Antminer S19 Hydro34.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer KS3 or Antminer S19 Hydro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer KS3 is more profitable at $-8.11/day compared to $-8.28/day for the Antminer S19 Hydro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer KS3 or Antminer S19 Hydro?
The Antminer S19 Hydro is quieter at 50 dB compared to the Antminer KS3 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer KS3 or Antminer S19 Hydro?
The Antminer S19 Hydro scores 44/100 on our Home Mining Score (vs 36/100 for the Antminer KS3). 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 Antminer S19 Hydro?
The Antminer KS3 runs at 372.3 J/TH while the Antminer S19 Hydro runs at 34.5 J/TH — a difference of 337.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.