MicroBT Whatsminer M20S vs MicroBT Whatsminer M3
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer M20S | Specification | MicroBT Whatsminer M3 |
|---|---|---|
| 68.0 TH/s | Hashrate | 12.0 TH/s |
| 3,360 W | Power Consumption | 2,000 W |
| 49.4 J/TH | Efficiency | 166.7 J/TH |
| — | Noise Level | — |
| 12,500.0 kg | Weight | 8,100.0 kg |
| 11,464 BTU/hr | BTU Output | 6,824 BTU/hr |
| 22/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
MicroBT Whatsminer M20S
MicroBT Whatsminer M3
Based on BTC price of $77,929 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the MicroBT Whatsminer M20S edges it: 2 of 4 factors go its way (efficiency, hashrate). Its biggest concrete edge: 467% more hashrate (68.0 vs 12.0 TH/s). The MicroBT Whatsminer M3 claws back ground on power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The MicroBT Whatsminer M20S and MicroBT Whatsminer M3 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- MicroBT Whatsminer M20S 467% more hashrate (68.0 vs 12.0 TH/s)
- MicroBT Whatsminer M3 40% better power draw (3,360 vs 2,000 W)
- MicroBT Whatsminer M20S 70% better efficiency (49.4 vs 166.7 J/TH)
- MicroBT Whatsminer M3 35% better weight (12,500 vs 8,100 kg)
- MicroBT Whatsminer M20S 68% more heat output (11,464 vs 6,824 BTU/hr)
- MicroBT Whatsminer M3 27% more home mining score (22.0 vs 28.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| MicroBT Whatsminer M20S | Metric | MicroBT Whatsminer M3 |
|---|---|---|
| $66 | Upfront cost (MSRP) | — |
| -$5.63 | Daily net profit | -$4.37 |
| -$2,119 | Net after 1 year | -$1,595 |
| -$4,173 | Net after 2 years | -$3,190 |
| -$6,226 | Net after 3 years | -$4,785 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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 M3Score: 28/100. 0 dB noise level.
Best for Efficiency
MicroBT Whatsminer M20S49.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
MicroBT Whatsminer M20S vs MicroBT Whatsminer M3: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M3 is more profitable at $-4.37/day compared to $-5.63/day for the MicroBT Whatsminer M20S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
MicroBT Whatsminer M20S vs MicroBT Whatsminer M3: which runs at a lower noise level?
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 M20S or the MicroBT Whatsminer M3?
The MicroBT Whatsminer M3 scores 28/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M20S). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
MicroBT Whatsminer M20S vs MicroBT Whatsminer M3: how much does the efficiency gap matter?
The MicroBT Whatsminer M20S runs at 49.4 J/TH while the MicroBT Whatsminer M3 runs at 166.7 J/TH — a difference of 117.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 70% better efficiency (49.4 vs 166.7 J/TH).