Bitmain Antminer S9 (11.5Th) vs MicroBT WhatsMiner M78
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (11.5Th) | Specification | MicroBT WhatsMiner M78 |
|---|---|---|
| 11.5 TH/s | Hashrate | 464.0 TH/s |
| 1,127 W | Power Consumption | 6,728 W |
| 98.0 J/TH | Efficiency | 14.5 J/TH |
| — | Noise Level | 75 dB |
| 4,200.0 kg | Weight | 18.0 kg |
| 3,845 BTU/hr | BTU Output | 22,956 BTU/hr |
| 31/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S9 (11.5Th)
MicroBT WhatsMiner M78
Based on BTC price of $70,862 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the MicroBT WhatsMiner M78 wins on 3 of 5 factors (efficiency, hashrate, noise level). The Bitmain Antminer S9 (11.5Th) holds the edge in power consumption and home mining score. 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 S9 (11.5Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M7814.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9 (11.5Th) or MicroBT WhatsMiner M78 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M78 is more profitable at $-1.90/day compared to $-2.35/day for the Bitmain Antminer S9 (11.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S9 (11.5Th) or MicroBT WhatsMiner M78?
The MicroBT WhatsMiner M78 is quieter at 75 dB compared to the Bitmain Antminer S9 (11.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S9 (11.5Th) or MicroBT WhatsMiner M78?
The Bitmain Antminer S9 (11.5Th) scores 31/100 on our Home Mining Score (vs 30/100 for the MicroBT WhatsMiner M78). 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 S9 (11.5Th) and MicroBT WhatsMiner M78?
The Bitmain Antminer S9 (11.5Th) runs at 98.0 J/TH while the MicroBT WhatsMiner M78 runs at 14.5 J/TH — a difference of 83.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.