Skip to content

We're upgrading our operations to serve you better. Orders ship as usual from Laval, QC. Questions? Contact us

Bitcoin accepted at checkout  |  Ships from Laval, QC, Canada  |  Expert support since 2016

Antminer KS3

Antminer KS3

Hashrate 9.4 TH/s Power 3,500 W Efficiency 372.3 J/TH
VS
Antminer S19j Pro+

Antminer S19j Pro+

Hashrate 117.0 TH/s Power 3,355 W Efficiency 28.7 J/TH

Antminer KS3 vs Antminer S19j Pro+

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Antminer KS3 Specification Antminer S19j Pro+
9.4 TH/s Hashrate 117.0 TH/s
3,500 W Power Consumption 3,355 W
372.3 J/TH Efficiency 28.7 J/TH
75 dB Noise Level 75 dB
16.1 kg Weight 13.6 kg
11,942 BTU/hr BTU Output 11,447 BTU/hr
36/100 Home Mining Score 84/100
Release Year
KHeavyHash Algorithm SHA-256
Bitmain Manufacturer Bitmain

Profitability Comparison

$/kWh

Antminer KS3

Daily Revenue 0.00000407 BTC $0.30
Daily Electricity -$8.40
Daily Profit -$8.10
Monthly -$242.95
Yearly -$2,955.85

Antminer S19j Pro+

Daily Revenue 0.00005071 BTC $3.76
Daily Electricity -$8.05
Daily Profit -$4.30
Monthly -$128.87
Yearly -$1,567.93

Based on BTC price of $74,074 and current network difficulty as of Mar 17, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Antminer S19j Pro+ wins on 5 of 5 factors (efficiency, hashrate, power consumption, home mining score, price-performance). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Antminer S19j Pro+ — wins on 5 of 5 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Antminer S19j Pro+

Score: 84/100. 75 dB noise level.

Best for Efficiency

Antminer S19j Pro+

28.7 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Antminer KS3 or Antminer S19j Pro+ more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Antminer S19j Pro+ is more profitable at $-4.30/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 Antminer S19j Pro+?

Both miners have similar noise levels. Check the specs table above for exact decibel readings.

Which is better for home mining, the Antminer KS3 or Antminer S19j Pro+?

The Antminer S19j Pro+ scores 84/100 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 S19j Pro+?

The Antminer KS3 runs at 372.3 J/TH while the Antminer S19j Pro+ runs at 28.7 J/TH — a difference of 343.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.