MicroBT Whatsminer M21 vs Whatsminer M56S+
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer M21 | Specification | Whatsminer M56S+ |
|---|---|---|
| 31.0 TH/s | Hashrate | 216.0 TH/s |
| 1,860 W | Power Consumption | 5,060 W |
| 60.0 J/TH | Efficiency | 23.4 J/TH |
| — | Noise Level | 50 dB |
| 7,150.0 kg | Weight | 13.0 kg |
| 6,346 BTU/hr | BTU Output | 17,265 BTU/hr |
| 28/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
MicroBT Whatsminer M21
Whatsminer M56S+
Based on BTC price of $74,349 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Whatsminer M56S+ offers 61% better efficiency at 23.4 J/TH compared to the MicroBT Whatsminer M21 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
Whatsminer M56S+Score: 44/100. 50 dB noise level.
Best for Efficiency
Whatsminer M56S+23.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the MicroBT Whatsminer M21 or Whatsminer M56S+ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M21 is more profitable at $-3.47/day compared to $-5.18/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 M21 or Whatsminer M56S+?
The Whatsminer M56S+ is quieter at 50 dB compared to the MicroBT Whatsminer M21 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the MicroBT Whatsminer M21 or Whatsminer M56S+?
The Whatsminer M56S+ scores 44/100 on our Home Mining Score (vs 28/100 for the MicroBT Whatsminer M21). 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 M21 and Whatsminer M56S+?
The MicroBT Whatsminer M21 runs at 60.0 J/TH while the Whatsminer M56S+ runs at 23.4 J/TH — a difference of 36.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.