Antminer S19j vs Antminer S19k Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19j | Specification | Antminer S19k Pro |
|---|---|---|
| 90.0 TH/s | Hashrate | 120.0 TH/s |
| 3,100 W | Power Consumption | 2,760 W |
| 34.4 J/TH | Efficiency | 23.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 13.0 kg | Weight | 12.5 kg |
| 10,577 BTU/hr | BTU Output | 9,417 BTU/hr |
| 84/100 | Home Mining Score | 84/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S19j
Antminer S19k Pro
Based on BTC price of $76,247 and current network difficulty as of Apr 21, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer S19k Pro wins on 3 of 4 factors (efficiency, hashrate, power consumption). The Antminer S19j holds the edge in price-performance. 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Antminer S19k Pro23.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S19j or Antminer S19k Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S19k Pro is more profitable at $-2.38/day compared to $-4.26/day for the Antminer S19j. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S19j or Antminer S19k Pro?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer S19j or Antminer S19k Pro?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Antminer S19j and Antminer S19k Pro?
The Antminer S19j runs at 34.4 J/TH while the Antminer S19k Pro runs at 23.0 J/TH — a difference of 11.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.