Bitmain Antminer S7 vs MicroBT WhatsMiner M78
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S7 | Specification | MicroBT WhatsMiner M78 |
|---|---|---|
| 4.7 TH/s | Hashrate | 464.0 TH/s |
| 1,293 W | Power Consumption | 6,728 W |
| 273.4 J/TH | Efficiency | 14.5 J/TH |
| — | Noise Level | 75 dB |
| 3,900.0 kg | Weight | 18.0 kg |
| 4,412 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 S7
MicroBT WhatsMiner M78
Based on BTC price of $79,032 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the MicroBT WhatsMiner M78, which leads on 3 of 5 weighted factors (efficiency, hashrate, noise level). The standout gap is 9710% more hashrate (4.7 vs 464.0 TH/s) in the MicroBT WhatsMiner M78's favour. The Bitmain Antminer S7 holds the edge in power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S7 and MicroBT WhatsMiner M78 sit on each measurable spec:
- MicroBT WhatsMiner M78 9710% more hashrate (4.7 vs 464.0 TH/s)
- Bitmain Antminer S7 81% better power draw (1,293 vs 6,728 W)
- MicroBT WhatsMiner M78 95% better efficiency (273.4 vs 14.5 J/TH)
- MicroBT WhatsMiner M78 100% better weight (3,900.0 vs 18.0 kg)
- MicroBT WhatsMiner M78 420% more heat output (4,412 vs 22,956 BTU/hr)
- Bitmain Antminer S7 3% more home mining score (31.0 vs 30.0)
Best For...
Best for Profitability
MicroBT WhatsMiner M78$3.66/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S7Score: 31/100. 0 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M7814.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S7 or the MicroBT WhatsMiner M78?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M78 is more profitable at $0.73/day compared to $-2.93/day for the Bitmain Antminer S7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S7 vs MicroBT WhatsMiner M78: which runs at a lower noise level?
The MicroBT WhatsMiner M78 is quieter at 75 dB compared to the Bitmain Antminer S7 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S7 or the MicroBT WhatsMiner M78?
The Bitmain Antminer S7 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 S7 and MicroBT WhatsMiner M78?
The Bitmain Antminer S7 runs at 273.4 J/TH while the MicroBT WhatsMiner M78 runs at 14.5 J/TH — a difference of 258.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 95% better efficiency (273.4 vs 14.5 J/TH).