MicroBT Whatsminer M31S

Taux de hachage 76.0 TH/s Puissance 3,220 W Efficiency 42.4 J/TH

MicroBT WhatsMiner M73S+

Taux de hachage 570.0 TH/s Puissance 7,125 W Efficiency 12.5 J/TH

MicroBT Whatsminer M31S vs MicroBT WhatsMiner M73S+

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

Specifications Comparison

MicroBT Whatsminer M31S	Specification	MicroBT WhatsMiner M73S+
76.0 TH/s	Taux de hachage	570.0 TH/s
3,220 W	Consommation électrique	7,125 W
42.4 J/TH	Efficiency	12.5 J/TH
—	Niveau de bruit	75 dB
12,500.0 kg	Weight	29.5 kg
10,987 BTU/hr	BTU Output	24,311 BTU/hr
22/100	Home Mining Score	30/100
—	Release Year	—
SHA-256	Algorithme	SHA-256
MicroBT	Manufacturer	MicroBT

Profitability Comparison

Electricity Rate:

$/kWh

MicroBT Whatsminer M31S

Daily Revenue 0.00003497 BTC $2.73

Daily Electricity -$7.73

Daily Profit -$4.99

Monthly -$149.83

Yearly -$1,822.93

MicroBT WhatsMiner M73S+

Daily Revenue 0.00026230 BTC $20.50

Daily Electricity -$17.10

Daily Profit $3.40

Monthly $102.07

Yearly $1,241.91

Based on BTC price of $78,163 and current network difficulty as of May 16, 2026. Actual results vary.

Verdict

Weighing six performance factors, the MicroBT WhatsMiner M73S+ comes out ahead — it takes 4 of 5 (efficacité, hashrate, score de minage domestique, niveau sonore). Its biggest concrete edge: 650% more hashrate (76.0 vs 570.0 TH/s). The MicroBT Whatsminer M31S holds the edge in consommation électrique. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.

Winner: MicroBT WhatsMiner M73S+ — l'emporte sur 4 des 5 facteurs

Spec Deltas

The MicroBT Whatsminer M31S and MicroBT WhatsMiner M73S+ diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":

MicroBT WhatsMiner M73S+ 650% more hashrate (76.0 vs 570.0 TH/s)
MicroBT Whatsminer M31S 55% better power draw (3,220 vs 7,125 W)
MicroBT WhatsMiner M73S+ 70% better efficacité (42.4 vs 12.5 J/TH)
MicroBT WhatsMiner M73S+ 100% better weight (12,500.0 vs 29.5 kg)
MicroBT WhatsMiner M73S+ 121% more heat output (10,987 vs 24,311 BTU/hr)
MicroBT WhatsMiner M73S+ 36% more score de minage domestique (22.0 vs 30.0)

Cost & ROI Over Time

A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.

MicroBT Whatsminer M31S	Metric	MicroBT WhatsMiner M73S+
$91	Upfront cost (MSRP)	—
-$4.99	Daily net profit	$3.40
-$1,914	Net after 1 year	+$1,242
-$3,737	Net after 2 years	+$2,484
-$5,560	Net after 3 years	+$3,726
Does not pay back at current rates (negative daily profit)	Payback period	—

Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.

Best For...

Best for Profitability

MicroBT WhatsMiner M73S+

$8.40/day higher profit at current rates.

Best for Home Mining

MicroBT WhatsMiner M73S+

Score: 30/100. 75 dB noise level.

Best for Efficiency

MicroBT WhatsMiner M73S+

12.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the MicroBT Whatsminer M31S or MicroBT WhatsMiner M73S+ more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M73S+ is more profitable at $3.40/day compared to $-4.99/day for the MicroBT Whatsminer M31S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the MicroBT Whatsminer M31S or MicroBT WhatsMiner M73S+?

The MicroBT WhatsMiner M73S+ is quieter at 75 dB compared to the MicroBT Whatsminer M31S at 0 dB. For home mining, lower noise levels make a significant difference in livability.

For mining at home, should I pick the MicroBT Whatsminer M31S or the MicroBT WhatsMiner M73S+?

The MicroBT WhatsMiner M73S+ scores 30/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M31S). 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 M31S and MicroBT WhatsMiner M73S+?

The MicroBT Whatsminer M31S runs at 42.4 J/TH while the MicroBT WhatsMiner M73S+ runs at 12.5 J/TH — a difference of 29.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 70% better efficacité (42.4 vs 12.5 J/TH).

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