Bitmain Antminer S9 (12.5Th) vs NerdAxe
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (12.5Th) | Specification | NerdAxe |
|---|---|---|
| 12.5 TH/s | Hashrate | 500.0 GH/s |
| 1,225 W | Power Consumption | 12 W |
| 98.0 J/TH | Efficiency | 24.0 J/TH |
| — | Noise Level | 30 dB |
| 4,200.0 kg | Weight | 0.2 kg |
| 4,180 BTU/hr | BTU Output | 41 BTU/hr |
| 31/100 | Home Mining Score | 70/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S9 (12.5Th)
NerdAxe
Based on BTC price of $77,410 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the NerdAxe wins on 4 of 6 factors (efficiency, power consumption, home mining score, noise level). The Bitmain Antminer S9 (12.5Th) holds the edge in hashrate and price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
NerdAxeScore: 70/100. 30 dB noise level.
Best for Efficiency
NerdAxe24.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9 (12.5Th) or NerdAxe more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the NerdAxe is more profitable at $-0.01/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.
Which is quieter, the Bitmain Antminer S9 (12.5Th) or NerdAxe?
The NerdAxe is quieter at 30 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 NerdAxe?
The NerdAxe scores 70/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9 (12.5Th)). 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 (12.5Th) and NerdAxe?
The Bitmain Antminer S9 (12.5Th) runs at 98.0 J/TH while the NerdAxe runs at 24.0 J/TH — a difference of 74.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.