MicroBT Whatsminer M20S vs MicroBT WhatsMiner M73
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer M20S | Specification | MicroBT WhatsMiner M73 |
|---|---|---|
| 68.0 TH/s | Hashrate | 512.0 TH/s |
| 3,360 W | Power Consumption | 7,424 W |
| 49.4 J/TH | Efficiency | 14.5 J/TH |
| — | Noise Level | 75 dB |
| 12,500.0 kg | Weight | 27.5 kg |
| 11,464 BTU/hr | BTU Output | 25,331 BTU/hr |
| 22/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
MicroBT Whatsminer M20S
MicroBT WhatsMiner M73
Based on BTC price of $79,183 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the MicroBT WhatsMiner M73 wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). Where it pulls away hardest is 653% more hashrate (68.0 vs 512.0 TH/s). The MicroBT Whatsminer M20S claws back ground on power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the MicroBT Whatsminer M20S and MicroBT WhatsMiner M73 actually differ, with the gap quantified:
- MicroBT WhatsMiner M73 653% more hashrate (68.0 vs 512.0 TH/s)
- MicroBT Whatsminer M20S 55% better power draw (3,360 vs 7,424 W)
- MicroBT WhatsMiner M73 71% better efficiency (49.4 vs 14.5 J/TH)
- MicroBT WhatsMiner M73 100% better weight (12,500.0 vs 27.5 kg)
- MicroBT WhatsMiner M73 121% more heat output (11,464 vs 25,331 BTU/hr)
- MicroBT WhatsMiner M73 36% more home mining score (22.0 vs 30.0)
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 M20S | Metric | MicroBT WhatsMiner M73 |
|---|---|---|
| $66 | Upfront cost (MSRP) | — |
| -$5.51 | Daily net profit | $1.42 |
| -$2,077 | Net after 1 year | +$519 |
| -$4,087 | Net after 2 years | +$1,038 |
| -$6,098 | Net after 3 years | +$1,556 |
| 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 M73$6.93/day higher profit at current rates.
Best for Home Mining
MicroBT WhatsMiner M73Score: 30/100. 75 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M7314.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the MicroBT Whatsminer M20S or MicroBT WhatsMiner M73 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M73 is more profitable at $1.42/day compared to $-5.51/day for the MicroBT Whatsminer M20S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
MicroBT Whatsminer M20S vs MicroBT WhatsMiner M73: which runs at a lower noise level?
The MicroBT WhatsMiner M73 is quieter at 75 dB compared to the MicroBT Whatsminer M20S 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 M20S or the MicroBT WhatsMiner M73?
The MicroBT WhatsMiner M73 scores 30/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M20S). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
MicroBT Whatsminer M20S vs MicroBT WhatsMiner M73: how much does the efficiency gap matter?
The MicroBT Whatsminer M20S runs at 49.4 J/TH while the MicroBT WhatsMiner M73 runs at 14.5 J/TH — a difference of 34.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 71% better efficiency (49.4 vs 14.5 J/TH).