Bitmain Antminer S9 (11.5Th) vs Whatsminer M56
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (11.5Th) | Specification | Whatsminer M56 |
|---|---|---|
| 11.5 TH/s | Taux de hachage | 194.0 TH/s |
| 1,127 W | Consommation électrique | 5,550 W |
| 98.0 J/TH | Efficiency | 28.6 J/TH |
| — | Niveau de bruit | 50 dB |
| 4,200.0 kg | Weight | 13.0 kg |
| 3,845 BTU/hr | BTU Output | 18,937 BTU/hr |
| 31/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S9 (11.5Th)
Whatsminer M56
Based on BTC price of $78,128 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Whatsminer M56 comes out ahead — it takes 4 of 6 (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 1587% more hashrate (11.5 vs 194.0 TH/s). The Bitmain Antminer S9 (11.5Th) holds the edge in consommation électrique and rapport qualité-prix. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer S9 (11.5Th) and Whatsminer M56 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Whatsminer M56 1587% more hashrate (11.5 vs 194.0 TH/s)
- Bitmain Antminer S9 (11.5Th) 80% better power draw (1,127 vs 5,550 W)
- Whatsminer M56 71% better efficacité (98.0 vs 28.6 J/TH)
- Whatsminer M56 100% better weight (4,200.0 vs 13.0 kg)
- Whatsminer M56 392% more heat output (3,845 vs 18,937 BTU/hr)
- Whatsminer M56 42% more score de minage domestique (31.0 vs 44.0)
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 S9 (11.5Th) | Metric | Whatsminer M56 |
|---|---|---|
| $65 | Upfront cost (MSRP) | $5,000 |
| -$2.29 | Daily net profit | -$6.35 |
| -$901 | Net after 1 year | -$7,316 |
| -$1,738 | Net after 2 years | -$9,632 |
| -$2,574 | Net after 3 years | -$11,948 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
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
TieBoth miners produce similar daily profit.
Best for Home Mining
Whatsminer M56Score: 44/100. 50 dB noise level.
Best for Efficiency
Whatsminer M5628.6 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9 (11.5Th) or Whatsminer M56 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9 (11.5Th) is more profitable at $-2.29/day compared to $-6.35/day for the Whatsminer M56. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9 (11.5Th) vs Whatsminer M56: which runs at a lower noise level?
The Whatsminer M56 is quieter at 50 dB compared to the Bitmain Antminer S9 (11.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S9 (11.5Th) vs Whatsminer M56: which fits a residential setup better?
The Whatsminer M56 scores 44/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9 (11.5Th)). 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 Whatsminer M56?
The Bitmain Antminer S9 (11.5Th) runs at 98.0 J/TH while the Whatsminer M56 runs at 28.6 J/TH — a difference of 69.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 71% better efficacité (98.0 vs 28.6 J/TH).