MicroBT Whatsminer M66

Hashrate 238.0 TH/s Power 4,736 W Efficiency 19.9 J/TH

MicroBT WhatsMiner M79S

Hashrate 980.0 TH/s Power 13,230 W Efficiency 13.5 J/TH

MicroBT Whatsminer M66 vs MicroBT WhatsMiner M79S

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

Specifications Comparison

MicroBT Whatsminer M66	Specification	MicroBT WhatsMiner M79S
238.0 TH/s	Hashrate	980.0 TH/s
4,736 W	Power Consumption	13,230 W
19.9 J/TH	Efficiency	13.5 J/TH
—	Noise Level	50 dB
16.0 kg	Weight	37.0 kg
16,159 BTU/hr	BTU Output	45,141 BTU/hr
16/100	Home Mining Score	44/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
MicroBT	Manufacturer	MicroBT

Profitability Comparison

Electricity Rate:

$/kWh

MicroBT Whatsminer M66

Daily Revenue 0.00010315 BTC $7.27

Daily Electricity -$11.37

Daily Profit -$4.09

Monthly -$122.81

Yearly -$1,494.13

MicroBT WhatsMiner M79S

Daily Revenue 0.00042475 BTC $29.95

Daily Electricity -$31.75

Daily Profit -$1.80

Monthly -$54.15

Yearly -$658.77

Based on BTC price of $70,505 and current network difficulty as of Mar 24, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the MicroBT WhatsMiner M79S wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The MicroBT Whatsminer M66 holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: MicroBT WhatsMiner M79S — wins on 4 of 5 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

MicroBT WhatsMiner M79S

Score: 44/100. 50 dB noise level.

Best for Efficiency

MicroBT WhatsMiner M79S

13.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the MicroBT Whatsminer M66 or MicroBT WhatsMiner M79S more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M79S is more profitable at $-1.80/day compared to $-4.09/day for the MicroBT Whatsminer M66. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the MicroBT Whatsminer M66 or MicroBT WhatsMiner M79S?

The MicroBT WhatsMiner M79S is quieter at 50 dB compared to the MicroBT Whatsminer M66 at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the MicroBT Whatsminer M66 or MicroBT WhatsMiner M79S?

The MicroBT WhatsMiner M79S scores 44/100 on our Home Mining Score (vs 16/100 for the MicroBT Whatsminer M66). 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 MicroBT Whatsminer M66 and MicroBT WhatsMiner M79S?

The MicroBT Whatsminer M66 runs at 19.9 J/TH while the MicroBT WhatsMiner M79S runs at 13.5 J/TH — a difference of 6.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

Compare MicroBT Whatsminer M66 with...

Compare MicroBT WhatsMiner M79S with...

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