Bitmain Antminer S9k (13.5Th) vs MicroBT WhatsMiner M72
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9k (13.5Th) | Specification | MicroBT WhatsMiner M72 |
|---|---|---|
| 13.5 TH/s | Hashrate | 262.0 TH/s |
| 1,310 W | Power Consumption | 3,799 W |
| 97.0 J/TH | Efficiency | 14.5 J/TH |
| — | Noise Level | 75 dB |
| 4,200.0 kg | Weight | 25.5 kg |
| 4,470 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 S9k (13.5Th)
MicroBT WhatsMiner M72
Based on BTC price of $79,088 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the MicroBT WhatsMiner M72 wins on 3 of 5 factors (efficiency, hashrate, noise level). Its biggest concrete edge: 1841% more hashrate (13.5 vs 262.0 TH/s). The Bitmain Antminer S9k (13.5Th) 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
Here is every spec where the Bitmain Antminer S9k (13.5Th) and MicroBT WhatsMiner M72 actually differ, with the gap quantified:
- MicroBT WhatsMiner M72 1841% more hashrate (13.5 vs 262.0 TH/s)
- Bitmain Antminer S9k (13.5Th) 66% better power draw (1,310 vs 3,799 W)
- MicroBT WhatsMiner M72 85% better efficiency (97.0 vs 14.5 J/TH)
- MicroBT WhatsMiner M72 99% better weight (4,200.0 vs 25.5 kg)
- MicroBT WhatsMiner M72 190% more heat output (4,470 vs 12,962 BTU/hr)
- Bitmain Antminer S9k (13.5Th) 3% more home mining score (31.0 vs 30.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer S9k (13.5Th) | Metric | MicroBT WhatsMiner M72 |
|---|---|---|
| $600 | Upfront cost (MSRP) | — |
| -$2.65 | Daily net profit | $0.42 |
| -$1,568 | Net after 1 year | +$153 |
| -$2,536 | Net after 2 years | +$305 |
| -$3,505 | Net after 3 years | +$458 |
| 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$3.07/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S9k (13.5Th)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 S9k (13.5Th) 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 $0.42/day compared to $-2.65/day for the Bitmain Antminer S9k (13.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9k (13.5Th) 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 S9k (13.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S9k (13.5Th) or MicroBT WhatsMiner M72?
The Bitmain Antminer S9k (13.5Th) 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.
Bitmain Antminer S9k (13.5Th) vs MicroBT WhatsMiner M72: how much does the efficiency gap matter?
The Bitmain Antminer S9k (13.5Th) runs at 97.0 J/TH while the MicroBT WhatsMiner M72 runs at 14.5 J/TH — a difference of 82.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 85% better efficiency (97.0 vs 14.5 J/TH).