MicroBT Whatsminer M20S vs MicroBT Whatsminer M61
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer M20S | Specification | MicroBT Whatsminer M61 |
|---|---|---|
| 68.0 TH/s | Hashrate | 200.0 TH/s |
| 3,360 W | Power Consumption | 3,980 W |
| 49.4 J/TH | Efficiency | 19.9 J/TH |
| — | Noise Level | 75 dB |
| 12,500.0 kg | Weight | 13.5 kg |
| 11,464 BTU/hr | BTU Output | 13,580 BTU/hr |
| 22/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
MicroBT Whatsminer M20S
MicroBT Whatsminer M61
Based on BTC price of $78,880 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the MicroBT Whatsminer M61 comes out ahead — it takes 4 of 6 (efficiency, hashrate, home mining score, noise level). The standout gap is 194% more hashrate (68.0 vs 200.0 TH/s) in the MicroBT Whatsminer M61's favour. The MicroBT Whatsminer M20S holds the edge in power consumption and price-performance. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the MicroBT Whatsminer M20S and MicroBT Whatsminer M61 actually differ, with the gap quantified:
- MicroBT Whatsminer M61 194% more hashrate (68.0 vs 200.0 TH/s)
- MicroBT Whatsminer M20S 16% better power draw (3,360 vs 3,980 W)
- MicroBT Whatsminer M61 60% better efficiency (49.4 vs 19.9 J/TH)
- MicroBT Whatsminer M61 100% better weight (12,500.0 vs 13.5 kg)
- MicroBT Whatsminer M61 18% more heat output (11,464 vs 13,580 BTU/hr)
- MicroBT Whatsminer M61 36% more home mining score (22.0 vs 30.0)
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 M61 |
|---|---|---|
| $66 | Upfront cost (MSRP) | $2,200 |
| -$5.52 | Daily net profit | -$2.07 |
| -$2,080 | Net after 1 year | -$2,954 |
| -$4,095 | Net after 2 years | -$3,708 |
| -$6,109 | Net after 3 years | -$4,462 |
| 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
MicroBT Whatsminer M61Score: 30/100. 75 dB noise level.
Best for Efficiency
MicroBT Whatsminer M6119.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
MicroBT Whatsminer M20S vs MicroBT Whatsminer M61: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M61 is more profitable at $-2.07/day compared to $-5.52/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 M61: which runs at a lower noise level?
The MicroBT Whatsminer M61 is quieter at 75 dB compared to the MicroBT Whatsminer M20S at 0 dB. For home mining, lower noise levels make a significant difference in livability.
MicroBT Whatsminer M20S vs MicroBT Whatsminer M61: which fits a residential setup better?
The MicroBT Whatsminer M61 scores 30/100 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.
What is the efficiency difference between MicroBT Whatsminer M20S and MicroBT Whatsminer M61?
The MicroBT Whatsminer M20S runs at 49.4 J/TH while the MicroBT Whatsminer M61 runs at 19.9 J/TH — a difference of 29.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 60% better efficiency (49.4 vs 19.9 J/TH).