Bitmain Antminer S9 (13Th) vs MicroBT WhatsMiner M79
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (13Th) | Specification | MicroBT WhatsMiner M79 |
|---|---|---|
| 13.0 TH/s | Hashrate | 920.0 TH/s |
| 1,300 W | Power Consumption | 13,340 W |
| 100.0 J/TH | Efficiency | 14.5 J/TH |
| — | Noise Level | 50 dB |
| 4,200.0 kg | Weight | 37.0 kg |
| 4,436 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 S9 (13Th)
MicroBT WhatsMiner M79
Based on BTC price of $79,248 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the MicroBT WhatsMiner M79, which leads on 4 of 5 weighted factors (efficiency, hashrate, home mining score, noise level). Where it pulls away hardest is 6977% more hashrate (13.0 vs 920.0 TH/s). That said, the Bitmain Antminer S9 (13Th) isn't beaten everywhere — it still wins power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S9 (13Th) and MicroBT WhatsMiner M79 sit on each measurable spec:
- MicroBT WhatsMiner M79 6977% more hashrate (13.0 vs 920.0 TH/s)
- Bitmain Antminer S9 (13Th) 90% better power draw (1,300 vs 13,340 W)
- MicroBT WhatsMiner M79 86% better efficiency (100.0 vs 14.5 J/TH)
- MicroBT WhatsMiner M79 99% better weight (4,200.0 vs 37.0 kg)
- MicroBT WhatsMiner M79 926% more heat output (4,436 vs 45,516 BTU/hr)
- MicroBT WhatsMiner M79 42% more home mining score (31.0 vs 44.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitmain Antminer S9 (13Th) | Metric | MicroBT WhatsMiner M79 |
|---|---|---|
| $65 | Upfront cost (MSRP) | — |
| -$2.63 | Daily net profit | $2.58 |
| -$1,025 | Net after 1 year | +$943 |
| -$1,986 | Net after 2 years | +$1,885 |
| -$2,946 | Net after 3 years | +$2,828 |
| 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 M79$5.21/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
Bitmain Antminer S9 (13Th) vs MicroBT WhatsMiner M79: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M79 is more profitable at $2.58/day compared to $-2.63/day for the Bitmain Antminer S9 (13Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9 (13Th) vs MicroBT WhatsMiner M79: which runs at a lower noise level?
The MicroBT WhatsMiner M79 is quieter at 50 dB compared to the Bitmain Antminer S9 (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 S9 (13Th) or MicroBT WhatsMiner M79?
The MicroBT WhatsMiner M79 scores 44/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9 (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 S9 (13Th) and MicroBT WhatsMiner M79?
The Bitmain Antminer S9 (13Th) runs at 100.0 J/TH while the MicroBT WhatsMiner M79 runs at 14.5 J/TH — a difference of 85.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 86% better efficiency (100.0 vs 14.5 J/TH).