Skip to content

We're upgrading our operations to serve you better. Orders ship as usual from Laval, QC. Questions? Contact us

Bitcoin accepted at checkout  |  Ships from Laval, QC, Canada  |  Expert support since 2016

Antminer S19j

Antminer S19j

Hashrate 90.0 TH/s Power 3,100 W Efficiency 34.4 J/TH
VS

MicroBT WhatsMiner M79

Hashrate 920.0 TH/s Power 13,340 W Efficiency 14.5 J/TH

Antminer S19j vs MicroBT WhatsMiner M79

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

Specifications Comparison

Antminer S19j Specification MicroBT WhatsMiner M79
90.0 TH/s Hashrate 920.0 TH/s
3,100 W Power Consumption 13,340 W
34.4 J/TH Efficiency 14.5 J/TH
75 dB Noise Level 50 dB
13.0 kg Weight 37.0 kg
10,577 BTU/hr BTU Output 45,516 BTU/hr
84/100 Home Mining Score 44/100
Release Year
SHA-256 Algorithm SHA-256
Bitmain Manufacturer MicroBT

Profitability Comparison

$/kWh

Antminer S19j

Daily Revenue 0.00003901 BTC $2.58
Daily Electricity -$7.44
Daily Profit -$4.86
Monthly -$145.78
Yearly -$1,773.61

MicroBT WhatsMiner M79

Daily Revenue 0.00039875 BTC $26.38
Daily Electricity -$32.02
Daily Profit -$5.63
Monthly -$169.03
Yearly -$2,056.59

Based on BTC price of $66,161 and current network difficulty as of Mar 27, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the MicroBT WhatsMiner M79 wins on 3 of 5 factors (efficiency, hashrate, noise level). The Antminer S19j 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: MicroBT WhatsMiner M79 — wins on 3 of 5 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Antminer S19j

Score: 84/100. 75 dB noise level.

Best for Efficiency

MicroBT WhatsMiner M79

14.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Antminer S19j or MicroBT WhatsMiner M79 more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Antminer S19j is more profitable at $-4.86/day compared to $-5.63/day for the MicroBT WhatsMiner M79. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Antminer S19j or MicroBT WhatsMiner M79?

The MicroBT WhatsMiner M79 is quieter at 50 dB compared to the Antminer S19j at 75 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Antminer S19j or MicroBT WhatsMiner M79?

The Antminer S19j scores 84/100 on our Home Mining Score (vs 44/100 for the MicroBT WhatsMiner M79). 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 S19j and MicroBT WhatsMiner M79?

The Antminer S19j runs at 34.4 J/TH while the MicroBT WhatsMiner M79 runs at 14.5 J/TH — a difference of 19.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.