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MicroBT Whatsminer M31S

MicroBT Whatsminer M31S

Hashrate 76.0 TH/s Power 3,220 W Efficiency 42.4 J/TH
VS
Whatsminer M56S

Whatsminer M56S

Hashrate 212.0 TH/s Power 5,550 W Efficiency 26.2 J/TH

MicroBT Whatsminer M31S vs Whatsminer M56S

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

Specifications Comparison

MicroBT Whatsminer M31S Specification Whatsminer M56S
76.0 TH/s Hashrate 212.0 TH/s
3,220 W Power Consumption 5,550 W
42.4 J/TH Efficiency 26.2 J/TH
— Noise Level 50 dB
12,500.0 kg Weight 13.0 kg
10,987 BTU/hr BTU Output 18,937 BTU/hr
22/100 Home Mining Score 44/100
— Release Year —
SHA-256 Algorithm SHA-256
MicroBT Manufacturer MicroBT

Profitability Comparison

$/kWh

MicroBT Whatsminer M31S

Daily Revenue 0.00003497 BTC $2.76
Daily Electricity -$7.73
Daily Profit -$4.96
Monthly -$148.92
Yearly -$1,811.84

Whatsminer M56S

Daily Revenue 0.00009756 BTC $7.71
Daily Electricity -$13.32
Daily Profit -$5.61
Monthly -$168.29
Yearly -$2,047.55

Based on BTC price of $79,032 and current network difficulty as of May 15, 2026. Actual results vary.

Verdict

Our scoring model gives the nod to the Whatsminer M56S, which leads on 4 of 6 weighted factors (efficiency, hashrate, home mining score, noise level). Its biggest concrete edge: 179% more hashrate (76.0 vs 212.0 TH/s). The MicroBT Whatsminer M31S holds the edge in power consumption and price-performance. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.

Winner: Whatsminer M56S — wins on 4 of 6 factors

Spec Deltas

The MicroBT Whatsminer M31S and Whatsminer M56S diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":

  • Whatsminer M56S 179% more hashrate (76.0 vs 212.0 TH/s)
  • MicroBT Whatsminer M31S 42% better power draw (3,220 vs 5,550 W)
  • Whatsminer M56S 38% better efficiency (42.4 vs 26.2 J/TH)
  • Whatsminer M56S 100% better weight (12,500.0 vs 13.0 kg)
  • Whatsminer M56S 72% more heat output (10,987 vs 18,937 BTU/hr)
  • Whatsminer M56S 100% more home mining score (22.0 vs 44.0)

Cost & ROI Over Time

Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.

MicroBT Whatsminer M31S Metric Whatsminer M56S
$91 Upfront cost (MSRP) $5,500
-$4.96 Daily net profit -$5.61
-$1,903 Net after 1 year -$7,548
-$3,715 Net after 2 years -$9,595
-$5,527 Net after 3 years -$11,643
Does not pay back at current rates (negative daily profit) Payback period Does not pay back at current rates (negative daily profit)

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

Tie

Both miners produce similar daily profit.

Best for Home Mining

Whatsminer M56S

Score: 44/100. 50 dB noise level.

Best for Efficiency

Whatsminer M56S

26.2 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Which makes more money, the MicroBT Whatsminer M31S or the Whatsminer M56S?

At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M31S is more profitable at $-4.96/day compared to $-5.61/day for the Whatsminer M56S. 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 Whatsminer M56S?

The Whatsminer M56S is quieter at 50 dB compared to the MicroBT Whatsminer M31S at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the MicroBT Whatsminer M31S or Whatsminer M56S?

The Whatsminer M56S scores 44/100 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 Whatsminer M56S?

The MicroBT Whatsminer M31S runs at 42.4 J/TH while the Whatsminer M56S runs at 26.2 J/TH — a difference of 16.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 38% better efficiency (42.4 vs 26.2 J/TH).

Compare MicroBT Whatsminer M31S with...

Compare Whatsminer M56S with...

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