MicroBT Whatsminer M20S vs MicroBT Whatsminer M21S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer M20S | Specification | MicroBT Whatsminer M21S |
|---|---|---|
| 68.0 TH/s | Hashrate | 56.0 TH/s |
| 3,360 W | Power Consumption | 3,360 W |
| 49.4 J/TH | Efficiency | 60.0 J/TH |
| — | Noise Level | — |
| 12,500.0 kg | Weight | 12,500.0 kg |
| 11,464 BTU/hr | BTU Output | 11,464 BTU/hr |
| 22/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
MicroBT Whatsminer M20S
MicroBT Whatsminer M21S
Based on BTC price of $74,349 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the MicroBT Whatsminer M20S offers 18% better efficiency at 49.4 J/TH compared to the MicroBT Whatsminer M21S at 60.0 J/TH. This directly impacts daily operating costs and long-term profitability.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
MicroBT Whatsminer M20S49.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the MicroBT Whatsminer M20S or MicroBT Whatsminer M21S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M20S is more profitable at $-5.87/day compared to $-6.26/day for the MicroBT Whatsminer M21S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the MicroBT Whatsminer M20S or MicroBT Whatsminer M21S?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the MicroBT Whatsminer M20S or MicroBT Whatsminer M21S?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between MicroBT Whatsminer M20S and MicroBT Whatsminer M21S?
The MicroBT Whatsminer M20S runs at 49.4 J/TH while the MicroBT Whatsminer M21S runs at 60.0 J/TH — a difference of 10.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.