Bitmain Antminer S9j (14.5Th)

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

Bitmain Antminer S9j (14.5Th) vs Whatsminer M30S++ (Hydro)

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

Specifications Comparison

Bitmain Antminer S9j (14.5Th)	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
—	Noise Level	50 dB
4,200.0 kg	Weight	12.0 kg
4,606 BTU/hr	BTU Output	11,847 BTU/hr
31/100	Home Mining Score	50/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	MicroBT

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S9j (14.5Th)

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 4 of 6 factors (efficiency, hashrate, home mining score, noise level). The Bitmain Antminer S9j (14.5Th) holds the edge in power consumption and price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Whatsminer M30S++ (Hydro) — wins on 4 of 6 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Whatsminer M30S++ (Hydro)

Score: 50/100. 50 dB noise level.

Best for Efficiency

Whatsminer M30S++ (Hydro)

31.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S9j (14.5Th) or Whatsminer M30S++ (Hydro) more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9j (14.5Th) 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 Bitmain Antminer S9j (14.5Th) or Whatsminer M30S++ (Hydro)?

The Whatsminer M30S++ (Hydro) is quieter at 50 dB compared to the Bitmain Antminer S9j (14.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S9j (14.5Th) or Whatsminer M30S++ (Hydro)?

The Whatsminer M30S++ (Hydro) scores 50/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9j (14.5Th)). 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 S9j (14.5Th) and Whatsminer M30S++ (Hydro)?

The Bitmain Antminer S9j (14.5Th) 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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