Bitmain Antminer S9 (12.5Th) vs MicroBT WhatsMiner M72
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (12.5Th) | Specification | MicroBT WhatsMiner M72 |
|---|---|---|
| 12.5 TH/s | Hashrate | 262.0 TH/s |
| 1,225 W | Power Consumption | 3,799 W |
| 98.0 J/TH | Efficiency | 14.5 J/TH |
| — | Noise Level | 75 dB |
| 4,200.0 kg | Weight | 25.5 kg |
| 4,180 BTU/hr | BTU Output | 12,962 BTU/hr |
| 31/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S9 (12.5Th)
MicroBT WhatsMiner M72
Based on BTC price of $79,032 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the MicroBT WhatsMiner M72 edges it: 3 of 5 factors go its way (efficiency, hashrate, noise level). Its biggest concrete edge: 1996% more hashrate (12.5 vs 262.0 TH/s). The Bitmain Antminer S9 (12.5Th) claws back ground on power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer S9 (12.5Th) and MicroBT WhatsMiner M72 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- MicroBT WhatsMiner M72 1996% more hashrate (12.5 vs 262.0 TH/s)
- Bitmain Antminer S9 (12.5Th) 68% better power draw (1,225 vs 3,799 W)
- MicroBT WhatsMiner M72 85% better efficiency (98.0 vs 14.5 J/TH)
- MicroBT WhatsMiner M72 99% better weight (4,200.0 vs 25.5 kg)
- MicroBT WhatsMiner M72 210% more heat output (4,180 vs 12,962 BTU/hr)
- Bitmain Antminer S9 (12.5Th) 3% more home mining score (31.0 vs 30.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitmain Antminer S9 (12.5Th) | Metric | MicroBT WhatsMiner M72 |
|---|---|---|
| $65 | Upfront cost (MSRP) | — |
| -$2.49 | Daily net profit | $0.41 |
| -$972 | Net after 1 year | +$150 |
| -$1,879 | Net after 2 years | +$300 |
| -$2,786 | Net after 3 years | +$450 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
MicroBT WhatsMiner M72$2.90/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S9 (12.5Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M7214.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S9 (12.5Th) or the MicroBT WhatsMiner M72?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M72 is more profitable at $0.41/day compared to $-2.49/day for the Bitmain Antminer S9 (12.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9 (12.5Th) vs MicroBT WhatsMiner M72: which runs at a lower noise level?
The MicroBT WhatsMiner M72 is quieter at 75 dB compared to the Bitmain Antminer S9 (12.5Th) 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 (12.5Th) or MicroBT WhatsMiner M72?
The Bitmain Antminer S9 (12.5Th) scores 31/100 on our Home Mining Score (vs 30/100 for the MicroBT WhatsMiner M72). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer S9 (12.5Th) and MicroBT WhatsMiner M72 on J/TH?
The Bitmain Antminer S9 (12.5Th) runs at 98.0 J/TH while the MicroBT WhatsMiner M72 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. In relative terms that is 85% better efficiency (98.0 vs 14.5 J/TH).