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Bitmain Antminer KS3 (9.4Th)

Bitmain Antminer KS3 (9.4Th)

Hashrate 9.4 TH/s Power 3,500 W Efficiency 372.3 J/TH
VS
Bitmain KAS KS7

Bitmain KAS KS7

Hashrate 40.0 TH/s Power 3,080 W Efficiency 77.0 J/TH

Bitmain Antminer KS3 (9.4Th) vs Bitmain KAS KS7

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

Specifications Comparison

Bitmain Antminer KS3 (9.4Th) Specification Bitmain KAS KS7
9.4 TH/s Hashrate 40.0 TH/s
3,500 W Power Consumption 3,080 W
372.3 J/TH Efficiency 77.0 J/TH
Noise Level 75 dB
17.7 kg Weight 16.4 kg
11,942 BTU/hr BTU Output 10,509 BTU/hr
22/100 Home Mining Score 36/100
Release Year
KHeavyHash Algorithm KHeavyHash
Bitmain Manufacturer Bitmain

Profitability Comparison

$/kWh

Bitmain Antminer KS3 (9.4Th)

Daily Revenue 0.00000407 BTC $0.30
Daily Electricity -$8.40
Daily Profit -$8.10
Monthly -$242.96
Yearly -$2,956.02

Bitmain KAS KS7

Daily Revenue 0.00001734 BTC $1.28
Daily Electricity -$7.39
Daily Profit -$6.11
Monthly -$183.29
Yearly -$2,230.08

Based on BTC price of $73,957 and current network difficulty as of Mar 16, 2026. Actual results vary.

Verdict

Based on specs, the Bitmain KAS KS7 offers 79% better efficiency at 77.0 J/TH compared to the Bitmain Antminer KS3 (9.4Th) 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

Bitmain KAS KS7

Score: 36/100. 75 dB noise level.

Best for Efficiency

Bitmain KAS KS7

77.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer KS3 (9.4Th) or Bitmain KAS KS7 more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Bitmain KAS KS7 is more profitable at $-6.11/day compared to $-8.10/day for the Bitmain Antminer KS3 (9.4Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer KS3 (9.4Th) or Bitmain KAS KS7?

The Bitmain KAS KS7 is quieter at 75 dB compared to the Bitmain Antminer KS3 (9.4Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer KS3 (9.4Th) or Bitmain KAS KS7?

The Bitmain KAS KS7 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer KS3 (9.4Th)). 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 Bitmain Antminer KS3 (9.4Th) and Bitmain KAS KS7?

The Bitmain Antminer KS3 (9.4Th) runs at 372.3 J/TH while the Bitmain KAS KS7 runs at 77.0 J/TH — a difference of 295.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.