Bitmain Antminer S9i (13Th) vs MicroBT WhatsMiner M79
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9i (13Th) | Specification | MicroBT WhatsMiner M79 |
|---|---|---|
| 13.0 TH/s | Hashrate | 920.0 TH/s |
| 1,280 W | Power Consumption | 13,340 W |
| 98.5 J/TH | Efficiency | 14.5 J/TH |
| — | Noise Level | 50 dB |
| 4,200.0 kg | Weight | 37.0 kg |
| 4,367 BTU/hr | BTU Output | 45,516 BTU/hr |
| 31/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S9i (13Th)
MicroBT WhatsMiner M79
Based on BTC price of $77,340 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the MicroBT WhatsMiner M79 wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The Bitmain Antminer S9i (13Th) holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
MicroBT WhatsMiner M79$3.58/day higher profit at current rates.
Best for Home Mining
MicroBT WhatsMiner M79Score: 44/100. 50 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M7914.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9i (13Th) or MicroBT WhatsMiner M79 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M79 is more profitable at $0.97/day compared to $-2.61/day for the Bitmain Antminer S9i (13Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S9i (13Th) or MicroBT WhatsMiner M79?
The MicroBT WhatsMiner M79 is quieter at 50 dB compared to the Bitmain Antminer S9i (13Th) 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 (13Th) or MicroBT WhatsMiner M79?
The MicroBT WhatsMiner M79 scores 44/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9i (13Th)). 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 (13Th) and MicroBT WhatsMiner M79?
The Bitmain Antminer S9i (13Th) runs at 98.5 J/TH while the MicroBT WhatsMiner M79 runs at 14.5 J/TH — a difference of 84.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.