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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 M63S

Whatsminer M63S

Hashrate 390.0 TH/s Power 7,215 W Efficiency 18.5 J/TH

MicroBT Whatsminer M31S vs Whatsminer M63S

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

Specifications Comparison

MicroBT Whatsminer M31S Specification Whatsminer M63S
76.0 TH/s Hashrate 390.0 TH/s
3,220 W Power Consumption 7,215 W
42.4 J/TH Efficiency 18.5 J/TH
— Noise Level 50 dB
12,500.0 kg Weight 28.0 kg
10,987 BTU/hr BTU Output 24,618 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 M63S

Daily Revenue 0.00017947 BTC $14.18
Daily Electricity -$17.32
Daily Profit -$3.13
Monthly -$93.96
Yearly -$1,143.19

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 M63S, which leads on 4 of 6 weighted factors (efficiency, hashrate, home mining score, noise level). Where it pulls away hardest is 413% more hashrate (76.0 vs 390.0 TH/s). That said, the MicroBT Whatsminer M31S isn't beaten everywhere — it still wins power consumption and price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Whatsminer M63S — wins on 4 of 6 factors

Spec Deltas

Here is every spec where the MicroBT Whatsminer M31S and Whatsminer M63S actually differ, with the gap quantified:

  • Whatsminer M63S 413% more hashrate (76.0 vs 390.0 TH/s)
  • MicroBT Whatsminer M31S 55% better power draw (3,220 vs 7,215 W)
  • Whatsminer M63S 56% better efficiency (42.4 vs 18.5 J/TH)
  • Whatsminer M63S 100% better weight (12,500.0 vs 28.0 kg)
  • Whatsminer M63S 124% more heat output (10,987 vs 24,618 BTU/hr)
  • Whatsminer M63S 100% more home mining score (22.0 vs 44.0)

Cost & ROI Over Time

Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.

MicroBT Whatsminer M31S Metric Whatsminer M63S
$91 Upfront cost (MSRP) $12,000
-$4.96 Daily net profit -$3.13
-$1,903 Net after 1 year -$13,143
-$3,715 Net after 2 years -$14,286
-$5,527 Net after 3 years -$15,430
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 M63S

Score: 44/100. 50 dB noise level.

Best for Efficiency

Whatsminer M63S

18.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the MicroBT Whatsminer M31S or Whatsminer M63S more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Whatsminer M63S is more profitable at $-3.13/day compared to $-4.96/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 Whatsminer M63S?

The Whatsminer M63S 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.

For mining at home, should I pick the MicroBT Whatsminer M31S or the Whatsminer M63S?

The Whatsminer M63S 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 M63S?

The MicroBT Whatsminer M31S runs at 42.4 J/TH while the Whatsminer M63S runs at 18.5 J/TH — a difference of 23.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 56% better efficiency (42.4 vs 18.5 J/TH).

Compare MicroBT Whatsminer M31S with...

Compare Whatsminer M63S with...

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