MicroBT Whatsminer M10S vs MicroBT Whatsminer M21S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer M10S | Specification | MicroBT Whatsminer M21S |
|---|---|---|
| 55.0 TH/s | Hashrate | 56.0 TH/s |
| 3,500 W | Power Consumption | 3,360 W |
| 63.6 J/TH | Efficiency | 60.0 J/TH |
| — | Noise Level | — |
| 10,700.0 kg | Weight | 12,500.0 kg |
| 11,942 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 M10S
MicroBT Whatsminer M21S
Based on BTC price of $78,139 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the MicroBT Whatsminer M21S, which leads on 4 of 4 weighted factors (efficiency, hashrate, power consumption, price-performance). The standout gap is 6% better efficiency (63.6 vs 60.0 J/TH) in the MicroBT Whatsminer M21S's favour. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the MicroBT Whatsminer M10S and MicroBT Whatsminer M21S sit on each measurable spec:
- MicroBT Whatsminer M21S 2% more hashrate (55.0 vs 56.0 TH/s)
- MicroBT Whatsminer M21S 4% better power draw (3,500 vs 3,360 W)
- MicroBT Whatsminer M21S 6% better efficiency (63.6 vs 60.0 J/TH)
- MicroBT Whatsminer M10S 14% better weight (10,700 vs 12,500 kg)
- MicroBT Whatsminer M10S 4% more heat output (11,942 vs 11,464 BTU/hr)
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 M10S | Metric | MicroBT Whatsminer M21S |
|---|---|---|
| $3,800 | Upfront cost (MSRP) | $650 |
| -$6.42 | Daily net profit | -$6.05 |
| -$6,144 | Net after 1 year | -$2,858 |
| -$8,488 | Net after 2 years | -$5,067 |
| -$10,832 | Net after 3 years | -$7,275 |
| 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
TieBoth miners produce similar daily profit.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
MicroBT Whatsminer M21S60.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the MicroBT Whatsminer M10S or the MicroBT Whatsminer M21S?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M21S is more profitable at $-6.05/day compared to $-6.42/day for the MicroBT Whatsminer M10S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the MicroBT Whatsminer M10S or MicroBT Whatsminer M21S?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the MicroBT Whatsminer M10S or the MicroBT Whatsminer M21S?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
How far apart are the MicroBT Whatsminer M10S and MicroBT Whatsminer M21S on J/TH?
The MicroBT Whatsminer M10S runs at 63.6 J/TH while the MicroBT Whatsminer M21S runs at 60.0 J/TH — a difference of 3.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 6% better efficiency (63.6 vs 60.0 J/TH).