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Antminer KS3

Antminer KS3

Hashrate 9.4 TH/s Power 3,500 W Efficiency 372.3 J/TH
VS
Antminer KS5

Antminer KS5

Hashrate 20.0 TH/s Power 3,000 W Efficiency 150.0 J/TH

Antminer KS3 vs Antminer KS5

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

Specifications Comparison

Antminer KS3 Specification Antminer KS5
9.4 TH/s Hashrate 20.0 TH/s
3,500 W Power Consumption 3,000 W
372.3 J/TH Efficiency 150.0 J/TH
75 dB Noise Level 76 dB
16.1 kg Weight 15.8 kg
11,942 BTU/hr BTU Output 10,236 BTU/hr
36/100 Home Mining Score 29/100
Release Year
KHeavyHash Algorithm KHeavyHash
Bitmain Manufacturer Bitmain

Profitability Comparison

$/kWh

Antminer KS3

Daily Revenue 0.00000407 BTC $0.28
Daily Electricity -$8.40
Daily Profit -$8.12
Monthly -$243.51
Yearly -$2,962.72

Antminer KS5

Daily Revenue 0.00000867 BTC $0.60
Daily Electricity -$7.20
Daily Profit -$6.60
Monthly -$197.94
Yearly -$2,408.26

Based on BTC price of $69,450 and current network difficulty as of Mar 24, 2026. Actual results vary.

Verdict

Bitmain's KAS miners spanning two generations. The KS3 launched the Kaspa mining era for Bitmain, while the KS5 refined the formula.

The KS5 improves on the KS3 with better efficiency and performance. The KS3 was a landmark product but the KS5 is the current choice for serious KAS mining.

Winner: Antminer KS5 — Improved efficiency and performance from a newer chip revision

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Antminer KS3

Score: 36/100. 75 dB noise level.

Best for Efficiency

Antminer KS5

150.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Can D-Central repair KAS miners?

Yes. D-Central's ASIC repair services cover the Antminer KS series alongside the full Bitmain lineup.

Are KS miners suitable for home use?

Both are industrial-class machines with significant noise and heat output. Home deployment requires sound dampening and proper ventilation.