Bitmain Antminer S9 (11.5Th) vs NerdQAxe++
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (11.5Th) | Specification | NerdQAxe++ |
|---|---|---|
| 11.5 TH/s | Taux de hachage | 4.0 TH/s |
| 1,127 W | Consommation électrique | 120 W |
| 98.0 J/TH | Efficiency | 30.0 J/TH |
| — | Niveau de bruit | 42 dB |
| 4.2 kg | Weight | 0.5 kg |
| 3,845 BTU/hr | BTU Output | 409 BTU/hr |
| 31/100 | Home Mining Score | 58/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S9 (11.5Th)
NerdQAxe++
Based on BTC price of $62,527 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le NerdQAxe++ l'emporte sur 4 des 6 facteurs (efficacité, consommation électrique, score de minage domestique, niveau sonore). Where it pulls away hardest is 89% better power draw (1,127 vs 120 W). The Bitmain Antminer S9 (11.5Th) holds the edge in hashrate and rapport qualité-prix. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer S9 (11.5Th) and NerdQAxe++ actually differ, with the gap quantified:
- Bitmain Antminer S9 (11.5Th) 188% more hashrate (11.5 vs 4.0 TH/s)
- NerdQAxe++ 89% better power draw (1,127 vs 120 W)
- NerdQAxe++ 69% better efficacité (98.0 vs 30.0 J/TH)
- NerdQAxe++ 88% better weight (4.2 vs 0.5 kg)
- Bitmain Antminer S9 (11.5Th) 839% more heat output (3,845 vs 409 BTU/hr)
- NerdQAxe++ 87% more score de minage domestique (31.0 vs 58.0)
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 (11.5Th) | Metric | NerdQAxe++ |
|---|---|---|
| $65 | Upfront cost (MSRP) | $349 |
| -$2.38 | Daily net profit | -$0.17 |
| -$934 | Net after 1 year | -$413 |
| -$1,802 | Net after 2 years | -$477 |
| -$2,671 | Net after 3 years | -$540 |
| 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
NerdQAxe++Score: 58/100. 42 dB noise level.
Best for Efficiency
NerdQAxe++30.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S9 (11.5Th) vs NerdQAxe++: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the NerdQAxe++ is more profitable at $-0.17/day compared to $-2.38/day for the Bitmain Antminer S9 (11.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S9 (11.5Th) or the NerdQAxe++ better for noise-sensitive spaces?
The NerdQAxe++ is quieter at 42 dB compared to the Bitmain Antminer S9 (11.5Th) 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 S9 (11.5Th) or the NerdQAxe++?
The NerdQAxe++ scores 58/100 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 NerdQAxe++?
The Bitmain Antminer S9 (11.5Th) runs at 98.0 J/TH while the NerdQAxe++ runs at 30.0 J/TH — a difference of 68.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 69% better efficacité (98.0 vs 30.0 J/TH).