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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 $0.30
Daily Electricity -$8.40
Daily Profit -$8.10
Monthly -$242.92
Yearly -$2,955.50

Antminer KS5

Daily Revenue 0.00000867 BTC $0.64
Daily Electricity -$7.20
Daily Profit -$6.56
Monthly -$196.68
Yearly -$2,392.90

Based on BTC price of $74,306 and current network difficulty as of Mar 16, 2026. Actual results vary.

Verdict

Based on specs, the Antminer KS5 offers 60% better efficiency at 150.0 J/TH compared to the Antminer KS3 at 372.3 J/TH. This directly impacts daily operating costs and long-term profitability.

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

Is the Antminer KS3 or Antminer KS5 more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Antminer KS5 is more profitable at $-6.56/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 KS5?

The Antminer KS3 is quieter at 75 dB compared to the Antminer KS5 at 76 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Antminer KS3 or Antminer KS5?

The Antminer KS3 scores 36/100 on our Home Mining Score (vs 29/100 for the Antminer KS5). 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 KS5?

The Antminer KS3 runs at 372.3 J/TH while the Antminer KS5 runs at 150.0 J/TH — a difference of 222.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.