Bitmain Antminer S9i (14Th) vs MicroBT Whatsminer M61
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9i (14Th) | Specification | MicroBT Whatsminer M61 |
|---|---|---|
| 14.0 TH/s | Hashrate | 200.0 TH/s |
| 1,320 W | Power Consumption | 3,980 W |
| 94.3 J/TH | Efficiency | 19.9 J/TH |
| — | Noise Level | 75 dB |
| 4,200.0 kg | Weight | 13.5 kg |
| 4,504 BTU/hr | BTU Output | 13,580 BTU/hr |
| 31/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S9i (14Th)
MicroBT Whatsminer M61
Based on BTC price of $71,465 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the MicroBT Whatsminer M61 wins on 3 of 6 factors (efficiency, hashrate, noise level). The Bitmain Antminer S9i (14Th) holds the edge in power consumption and home mining score and 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
Bitmain Antminer S9i (14Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
MicroBT Whatsminer M6119.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9i (14Th) or MicroBT Whatsminer M61 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9i (14Th) is more profitable at $-2.73/day compared to $-3.36/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 Bitmain Antminer S9i (14Th) or MicroBT Whatsminer M61?
The MicroBT Whatsminer M61 is quieter at 75 dB compared to the Bitmain Antminer S9i (14Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S9i (14Th) or MicroBT Whatsminer M61?
The Bitmain Antminer S9i (14Th) scores 31/100 on our Home Mining Score (vs 30/100 for the MicroBT Whatsminer M61). 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 Bitmain Antminer S9i (14Th) and MicroBT Whatsminer M61?
The Bitmain Antminer S9i (14Th) runs at 94.3 J/TH while the MicroBT Whatsminer M61 runs at 19.9 J/TH — a difference of 74.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.