MicroBT Whatsminer M21 vs MicroBT Whatsminer M32
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer M21 | Specification | MicroBT Whatsminer M32 |
|---|---|---|
| 31.0 TH/s | Taux de hachage | 62.0 TH/s |
| 1,860 W | Consommation électrique | 3,348 W |
| 60.0 J/TH | Efficiency | 54.0 J/TH |
| — | Niveau de bruit | — |
| 7.2 kg | Weight | — |
| 6,346 BTU/hr | BTU Output | 11,423 BTU/hr |
| 28/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
MicroBT Whatsminer M21
MicroBT Whatsminer M32
Based on BTC price of $64,340 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the MicroBT Whatsminer M32, which leads on 2 of 4 weighted factors (efficacité, hashrate). Where it pulls away hardest is 100% more hashrate (31.0 vs 62.0 TH/s). The MicroBT Whatsminer M21 claws back ground on consommation électrique and score de minage domestique. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The MicroBT Whatsminer M21 and MicroBT Whatsminer M32 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- MicroBT Whatsminer M32 100% more hashrate (31.0 vs 62.0 TH/s)
- MicroBT Whatsminer M21 44% better power draw (1,860 vs 3,348 W)
- MicroBT Whatsminer M32 10% better efficacité (60.0 vs 54.0 J/TH)
- MicroBT Whatsminer M32 80% more heat output (6,346 vs 11,423 BTU/hr)
- MicroBT Whatsminer M21 27% more score de minage domestique (28.0 vs 22.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| MicroBT Whatsminer M21 | Metric | MicroBT Whatsminer M32 |
|---|---|---|
| — | Upfront cost (MSRP) | $5,105 |
| -$3.56 | Daily net profit | -$6.23 |
| -$1,300 | Net after 1 year | -$7,379 |
| -$2,600 | Net after 2 years | -$9,653 |
| -$3,900 | Net after 3 years | -$11,927 |
| — | 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
MicroBT Whatsminer M21Score: 28/100. 0 dB noise level.
Best for Efficiency
MicroBT Whatsminer M3254.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the MicroBT Whatsminer M21 or MicroBT Whatsminer M32 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M21 is more profitable at $-3.56/day compared to $-6.23/day for the MicroBT Whatsminer M32. 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 MicroBT Whatsminer M32?
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 M21 or the MicroBT Whatsminer M32?
The MicroBT Whatsminer M21 scores 28/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M32). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the MicroBT Whatsminer M21 and MicroBT Whatsminer M32 on J/TH?
The MicroBT Whatsminer M21 runs at 60.0 J/TH while the MicroBT Whatsminer M32 runs at 54.0 J/TH — a difference of 6.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 10% better efficacité (60.0 vs 54.0 J/TH).