Bitdeer SealMiner A3 Air vs MicroBT Whatsminer M61
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A3 Air | Specification | MicroBT Whatsminer M61 |
|---|---|---|
| 260.0 TH/s | Hashrate | 200.0 TH/s |
| 3,640 W | Power Consumption | 3,980 W |
| 14.0 J/TH | Efficiency | 19.9 J/TH |
| 75 dB | Noise Level | 75 dB |
| 15.5 kg | Weight | 13.5 kg |
| 12,420 BTU/hr | BTU Output | 13,580 BTU/hr |
| 30/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | MicroBT |
Profitability Comparison
Bitdeer SealMiner A3 Air
MicroBT Whatsminer M61
Based on BTC price of $71,534 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitdeer SealMiner A3 Air wins on 3 of 4 factors (efficiency, hashrate, power consumption). The MicroBT Whatsminer M61 holds the edge in price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
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
Bitdeer SealMiner A3 Air14.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitdeer SealMiner A3 Air or MicroBT Whatsminer M61 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Air is more profitable at $-0.67/day compared to $-3.35/day for the MicroBT Whatsminer M61. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitdeer SealMiner A3 Air or MicroBT Whatsminer M61?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitdeer SealMiner A3 Air or MicroBT Whatsminer M61?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Bitdeer SealMiner A3 Air and MicroBT Whatsminer M61?
The Bitdeer SealMiner A3 Air runs at 14.0 J/TH while the MicroBT Whatsminer M61 runs at 19.9 J/TH — a difference of 5.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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