Antminer S9j

Hashrate 14.5 TH/s Power 1,350 W Efficiency 93.1 J/TH

Whatsminer M30S++ (Hydro)

Hashrate 112.0 TH/s Power 3,472 W Efficiency 31.0 J/TH

Antminer S9j vs Whatsminer M30S++ (Hydro)

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

Specifications Comparison

Antminer S9j	Specification	Whatsminer M30S++ (Hydro)
14.5 TH/s	Hashrate	112.0 TH/s
1,350 W	Power Consumption	3,472 W
93.1 J/TH	Efficiency	31.0 J/TH
76 dB	Noise Level	50 dB
4.2 kg	Weight	12.0 kg
4,606 BTU/hr	BTU Output	11,847 BTU/hr
83/100	Home Mining Score	50/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	MicroBT

Profitability Comparison

Electricity Rate:

$/kWh

Antminer S9j

Daily Revenue 0.00000672 BTC $0.52

Daily Electricity -$3.24

Daily Profit -$2.72

Monthly -$81.54

Yearly -$992.06

Whatsminer M30S++ (Hydro)

Daily Revenue 0.00005193 BTC $4.03

Daily Electricity -$8.33

Daily Profit -$4.30

Monthly -$129.02

Yearly -$1,569.74

Based on BTC price of $77,653 and current network difficulty as of Apr 27, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Whatsminer M30S++ (Hydro) wins on 3 of 5 factors (efficiency, hashrate, noise level). The Antminer S9j holds the edge in power consumption and home mining score. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Whatsminer M30S++ (Hydro) — wins on 3 of 5 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Antminer S9j

Score: 83/100. 76 dB noise level.

Best for Efficiency

Whatsminer M30S++ (Hydro)

31.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Antminer S9j or Whatsminer M30S++ (Hydro) more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Antminer S9j is more profitable at $-2.72/day compared to $-4.30/day for the Whatsminer M30S++ (Hydro). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Antminer S9j or Whatsminer M30S++ (Hydro)?

The Whatsminer M30S++ (Hydro) is quieter at 50 dB compared to the Antminer S9j at 76 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Antminer S9j or Whatsminer M30S++ (Hydro)?

The Antminer S9j scores 83/100 on our Home Mining Score (vs 50/100 for the Whatsminer M30S++ (Hydro)). 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 S9j and Whatsminer M30S++ (Hydro)?

The Antminer S9j runs at 93.1 J/TH while the Whatsminer M30S++ (Hydro) runs at 31.0 J/TH — a difference of 62.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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