MicroBT Whatsminer M21S vs Whatsminer M63
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer M21S | Specification | Whatsminer M63 |
|---|---|---|
| 56.0 TH/s | Hashrate | 360.0 TH/s |
| 3,360 W | Power Consumption | 7,200 W |
| 60.0 J/TH | Efficiency | 20.0 J/TH |
| — | Noise Level | 50 dB |
| 12,500.0 kg | Weight | 27.5 kg |
| 11,464 BTU/hr | BTU Output | 24,566 BTU/hr |
| 22/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
MicroBT Whatsminer M21S
Whatsminer M63
Based on BTC price of $74,306 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Whatsminer M63 offers 67% better efficiency at 20.0 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
Whatsminer M63Score: 44/100. 50 dB noise level.
Best for Efficiency
Whatsminer M6320.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the MicroBT Whatsminer M21S or Whatsminer M63 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Whatsminer M63 is more profitable at $-5.69/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 M21S or Whatsminer M63?
The Whatsminer M63 is quieter at 50 dB compared to the MicroBT Whatsminer M21S at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the MicroBT Whatsminer M21S or Whatsminer M63?
The Whatsminer M63 scores 44/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M21S). 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 M21S and Whatsminer M63?
The MicroBT Whatsminer M21S runs at 60.0 J/TH while the Whatsminer M63 runs at 20.0 J/TH — a difference of 40.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.